249524572 has 24 divisors (see below), whose sum is σ = 504388080. Its totient is φ = 106748160.

The previous prime is 249524567. The next prime is 249524579. The reversal of 249524572 is 275425942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249524579) 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, 166047 + ... + 167542.

It is an arithmetic number, because the mean of its divisors is an integer number (21016170).

Almost surely, 2^249524572 is an apocalyptic number.

249524572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

249524572 is an abundant number, since it is smaller than the sum of its proper divisors (254863508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249524572 is a wasteful number, since it uses less digits than its factorization.

249524572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333621 (or 333619 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 249524572 is about 15796.3467928506. The cubic root of 249524572 is about 629.5609370433.

The spelling of 249524572 in words is "two hundred forty-nine million, five hundred twenty-four thousand, five hundred seventy-two".