252260869831 has 4 divisors (see below), whose sum is σ = 252395698464. Its totient is φ = 252126041200.

The previous prime is 252260869813. The next prime is 252260869843. The reversal of 252260869831 is 138968062252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252260869831 is a prime.

It is a super-2 number, since 2×252260869831² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252260869871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67411510 + ... + 67415251.

It is an arithmetic number, because the mean of its divisors is an integer number (63098924616).

Almost surely, 2^252260869831 is an apocalyptic number.

252260869831 is a deficient number, since it is larger than the sum of its proper divisors (134828633).

252260869831 is a wasteful number, since it uses less digits than its factorization.

252260869831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134828632.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 252260869831 in words is "two hundred fifty-two billion, two hundred sixty million, eight hundred sixty-nine thousand, eight hundred thirty-one".