250423681 has 8 divisors (see below), whose sum is σ = 252685440. Its totient is φ = 248171328.

The previous prime is 250423633. The next prime is 250423697. The reversal of 250423681 is 186324052.

250423681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 250423681 - 2⁹ = 250423169 is a prime.

It is a super-2 number, since 2×250423681² = 125424040011179522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250423181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57865 + ... + 62041.

It is an arithmetic number, because the mean of its divisors is an integer number (31585680).

Almost surely, 2^250423681 is an apocalyptic number.

It is an amenable number.

250423681 is a deficient number, since it is larger than the sum of its proper divisors (2261759).

250423681 is a wasteful number, since it uses less digits than its factorization.

250423681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 250423681 is about 15824.7805987950. The cubic root of 250423681 is about 630.3161938431.

The spelling of 250423681 in words is "two hundred fifty million, four hundred twenty-three thousand, six hundred eighty-one".