249483531 has 8 divisors (see below), whose sum is σ = 362885184. Its totient is φ = 151202120.

The previous prime is 249483529. The next prime is 249483539. The reversal of 249483531 is 135384942.

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 249483531 - 2¹ = 249483529 is a prime.

It is a super-2 number, since 2×249483531² = 124484064480455922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 249483531.

It is not an unprimeable number, because it can be changed into a prime (249483539) 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, 3780021 + ... + 3780086.

It is an arithmetic number, because the mean of its divisors is an integer number (45360648).

Almost surely, 2^249483531 is an apocalyptic number.

249483531 is a deficient number, since it is larger than the sum of its proper divisors (113401653).

249483531 is a wasteful number, since it uses less digits than its factorization.

249483531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560121.

The product of its digits is 103680, while the sum is 39.

The square root of 249483531 is about 15795.0476732424. The cubic root of 249483531 is about 629.5264190973.

The spelling of 249483531 in words is "two hundred forty-nine million, four hundred eighty-three thousand, five hundred thirty-one".