249727952 has 10 divisors (see below), whose sum is σ = 483847938. Its totient is φ = 124863968.

The previous prime is 249727949. The next prime is 249727957. The reversal of 249727952 is 259727942.

It is a happy number.

249727952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 247244176 + 2483776 = 15724^2 + 1576^2 .

It is a super-2 number, since 2×249727952² = 124728100020228608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 249727897 and 249727906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249727957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7803983 + ... + 7804014.

Almost surely, 2^249727952 is an apocalyptic number.

It is an amenable number.

249727952 is a deficient number, since it is larger than the sum of its proper divisors (234119986).

249727952 is a wasteful number, since it uses less digits than its factorization.

249727952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15608005 (or 15607999 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 249727952 is about 15802.7830460334. The cubic root of 249727952 is about 629.7319360100.

The spelling of 249727952 in words is "two hundred forty-nine million, seven hundred twenty-seven thousand, nine hundred fifty-two".