513887252 has 24 divisors (see below), whose sum is σ = 943152000. Its totient is φ = 244528416.

The previous prime is 513887251. The next prime is 513887261. The reversal of 513887252 is 252788315.

It is a super-2 number, since 2×513887252² = 528160215536223008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513887251) 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, 4274 + ... + 32342.

It is an arithmetic number, because the mean of its divisors is an integer number (39298000).

Almost surely, 2^513887252 is an apocalyptic number.

It is an amenable number.

513887252 is a deficient number, since it is larger than the sum of its proper divisors (429264748).

513887252 is a wasteful number, since it uses less digits than its factorization.

513887252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28295 (or 28293 counting only the distinct ones).

The product of its digits is 134400, while the sum is 41.

The square root of 513887252 is about 22669.0814105909. The cubic root of 513887252 is about 800.9817384941.

The spelling of 513887252 in words is "five hundred thirteen million, eight hundred eighty-seven thousand, two hundred fifty-two".