250232015261 has 2 divisors, whose sum is σ = 250232015262. Its totient is φ = 250232015260.

The previous prime is 250232015183. The next prime is 250232015279. The reversal of 250232015261 is 162510232052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246021952036 + 4210063225 = 496006^2 + 64885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250232015261 is a prime.

It is a super-2 number, since 2×250232015261² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250232015161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125116007630 + 125116007631.

It is an arithmetic number, because the mean of its divisors is an integer number (125116007631).

Almost surely, 2^250232015261 is an apocalyptic number.

It is an amenable number.

250232015261 is a deficient number, since it is larger than the sum of its proper divisors (1).

250232015261 is an equidigital number, since it uses as much as digits as its factorization.

250232015261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 250232015261 in words is "two hundred fifty billion, two hundred thirty-two million, fifteen thousand, two hundred sixty-one".