250130681 has 4 divisors (see below), whose sum is σ = 261005952. Its totient is φ = 239255412.

The previous prime is 250130653. The next prime is 250130701. The reversal of 250130681 is 186031052.

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 250130681 - 2¹⁸ = 249868537 is a prime.

It is a super-2 number, since 2×250130681² = 125130715155047522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250130681.

It is not an unprimeable number, because it can be changed into a prime (250130651) 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, 5437601 + ... + 5437646.

It is an arithmetic number, because the mean of its divisors is an integer number (65251488).

Almost surely, 2^250130681 is an apocalyptic number.

It is an amenable number.

250130681 is a deficient number, since it is larger than the sum of its proper divisors (10875271).

250130681 is a wasteful number, since it uses less digits than its factorization.

250130681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10875270.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 250130681 is about 15815.5202570134. The cubic root of 250130681 is about 630.0702709892.

The spelling of 250130681 in words is "two hundred fifty million, one hundred thirty thousand, six hundred eighty-one".