249272031 has 8 divisors (see below), whose sum is σ = 332846464. Its totient is φ = 165939480.

The previous prime is 249272029. The next prime is 249272041. The reversal of 249272031 is 130272942.

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

It is not a de Polignac number, because 249272031 - 2¹ = 249272029 is a prime.

It is a super-2 number, since 2×249272031² = 124273090877729922, 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 249272031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249272041) 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, 58051 + ... + 62196.

It is an arithmetic number, because the mean of its divisors is an integer number (41605808).

Almost surely, 2^249272031 is an apocalyptic number.

249272031 is a deficient number, since it is larger than the sum of its proper divisors (83574433).

249272031 is a wasteful number, since it uses less digits than its factorization.

249272031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120941.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 249272031 is about 15788.3511172003. The cubic root of 249272031 is about 629.3484748466.

The spelling of 249272031 in words is "two hundred forty-nine million, two hundred seventy-two thousand, thirty-one".