64525037 has 2 divisors, whose sum is σ = 64525038. Its totient is φ = 64525036.

The previous prime is 64524991. The next prime is 64525049. The reversal of 64525037 is 73052546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46977316 + 17547721 = 6854^2 + 4189^2 .

It is a cyclic number.

It is not a de Polignac number, because 64525037 - 2¹⁸ = 64262893 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64524994 and 64525012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64527037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32262518 + 32262519.

It is an arithmetic number, because the mean of its divisors is an integer number (32262519).

Almost surely, 2^64525037 is an apocalyptic number.

It is an amenable number.

64525037 is a deficient number, since it is larger than the sum of its proper divisors (1).

64525037 is an equidigital number, since it uses as much as digits as its factorization.

64525037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 64525037 is about 8032.7477864053. The cubic root of 64525037 is about 401.0908494975.

The spelling of 64525037 in words is "sixty-four million, five hundred twenty-five thousand, thirty-seven".