63250131257 has 4 divisors (see below), whose sum is σ = 64322167440. Its totient is φ = 62178095076.

The previous prime is 63250131227. The next prime is 63250131271. The reversal of 63250131257 is 75213105236.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63250131257 - 2⁸ = 63250131001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63250131227) 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, 536018003 + ... + 536018120.

It is an arithmetic number, because the mean of its divisors is an integer number (16080541860).

Almost surely, 2^63250131257 is an apocalyptic number.

It is an amenable number.

63250131257 is a deficient number, since it is larger than the sum of its proper divisors (1072036183).

63250131257 is a wasteful number, since it uses less digits than its factorization.

63250131257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072036182.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 63250131257 in words is "sixty-three billion, two hundred fifty million, one hundred thirty-one thousand, two hundred fifty-seven".