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252372137 is a prime number
BaseRepresentation
bin11110000101011…
…10010010101001
3122120212211111012
433002232102221
51004101402022
641013113305
76153061553
oct1702562251
9576784435
10252372137
1111a503a16
1270628835
1340393334
14257364d3
1517251de2
hexf0ae4a9

252372137 has 2 divisors, whose sum is σ = 252372138. Its totient is φ = 252372136.

The previous prime is 252372083. The next prime is 252372143. The reversal of 252372137 is 731273252.

252372137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164968336 + 87403801 = 12844^2 + 9349^2 .

It is a cyclic number.

It is not a de Polignac number, because 252372137 - 26 = 252372073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252372037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126186068 + 126186069.

It is an arithmetic number, because the mean of its divisors is an integer number (126186069).

Almost surely, 2252372137 is an apocalyptic number.

It is an amenable number.

252372137 is a deficient number, since it is larger than the sum of its proper divisors (1).

252372137 is an equidigital number, since it uses as much as digits as its factorization.

252372137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 32.

The square root of 252372137 is about 15886.2247560583. The cubic root of 252372137 is about 631.9467263018.

The spelling of 252372137 in words is "two hundred fifty-two million, three hundred seventy-two thousand, one hundred thirty-seven".