250493631 has 8 divisors (see below), whose sum is σ = 337234560. Its totient is φ = 165374232.

The previous prime is 250493629. The next prime is 250493647. The reversal of 250493631 is 136394052.

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

It is not a de Polignac number, because 250493631 - 2¹ = 250493629 is a prime.

It is a super-2 number, since 2×250493631² = 125494118343128322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 250493592 and 250493601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250493651) 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, 405021 + ... + 405638.

It is an arithmetic number, because the mean of its divisors is an integer number (42154320).

Almost surely, 2^250493631 is an apocalyptic number.

250493631 is a deficient number, since it is larger than the sum of its proper divisors (86740929).

250493631 is a wasteful number, since it uses less digits than its factorization.

250493631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810765.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 250493631 is about 15826.9905857052. The cubic root of 250493631 is about 630.3748764099.

It can be divided in two parts, 25049 and 3631, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 250493631 in words is "two hundred fifty million, four hundred ninety-three thousand, six hundred thirty-one".