249564932 has 6 divisors (see below), whose sum is σ = 436738638. Its totient is φ = 124782464.

The previous prime is 249564901. The next prime is 249564937. The reversal of 249564932 is 239465942.

It can be written as a sum of positive squares in only one way, i.e., 247621696 + 1943236 = 15736^2 + 1394^2 .

It is not an unprimeable number, because it can be changed into a prime (249564937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31195613 + ... + 31195620.

It is an arithmetic number, because the mean of its divisors is an integer number (72789773).

Almost surely, 2^249564932 is an apocalyptic number.

It is an amenable number.

249564932 is a deficient number, since it is larger than the sum of its proper divisors (187173706).

249564932 is a wasteful number, since it uses less digits than its factorization.

249564932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62391237 (or 62391235 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 249564932 is about 15797.6242517665. The cubic root of 249564932 is about 629.5948785364.

The spelling of 249564932 in words is "two hundred forty-nine million, five hundred sixty-four thousand, nine hundred thirty-two".