1612147253 has 2 divisors, whose sum is σ = 1612147254. Its totient is φ = 1612147252.

The previous prime is 1612147241. The next prime is 1612147261. The reversal of 1612147253 is 3527412161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1560408004 + 51739249 = 39502^2 + 7193^2 .

It is a cyclic number.

It is not a de Polignac number, because 1612147253 - 2⁶ = 1612147189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1612147753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806073626 + 806073627.

It is an arithmetic number, because the mean of its divisors is an integer number (806073627).

Almost surely, 2^1612147253 is an apocalyptic number.

It is an amenable number.

1612147253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612147253 is an equidigital number, since it uses as much as digits as its factorization.

1612147253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 1612147253 is about 40151.5535564939. The cubic root of 1612147253 is about 1172.5595347739.

The spelling of 1612147253 in words is "one billion, six hundred twelve million, one hundred forty-seven thousand, two hundred fifty-three".