252898961537 has 2 divisors, whose sum is σ = 252898961538. Its totient is φ = 252898961536.

The previous prime is 252898961489. The next prime is 252898961561. The reversal of 252898961537 is 735169898252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188439337216 + 64459624321 = 434096^2 + 253889^2 .

It is a cyclic number.

It is not a de Polignac number, because 252898961537 - 2⁸ = 252898961281 is a prime.

It is not a weakly prime, because it can be changed into another prime (252898901537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126449480768 + 126449480769.

It is an arithmetic number, because the mean of its divisors is an integer number (126449480769).

Almost surely, 2^252898961537 is an apocalyptic number.

It is an amenable number.

252898961537 is a deficient number, since it is larger than the sum of its proper divisors (1).

252898961537 is an equidigital number, since it uses as much as digits as its factorization.

252898961537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65318400, while the sum is 65.

The spelling of 252898961537 in words is "two hundred fifty-two billion, eight hundred ninety-eight million, nine hundred sixty-one thousand, five hundred thirty-seven".