513522152 has 32 divisors (see below), whose sum is σ = 1131187680. Its totient is φ = 215463360.

The previous prime is 513522151. The next prime is 513522157. The reversal of 513522152 is 251225315.

It is a super-2 number, since 2×513522152² = 527410001189422208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (513522151) 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, 223298 + ... + 225585.

It is an arithmetic number, because the mean of its divisors is an integer number (35349615).

Almost surely, 2^513522152 is an apocalyptic number.

513522152 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

513522152 is an abundant number, since it is smaller than the sum of its proper divisors (617665528).

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

513522152 is a wasteful number, since it uses less digits than its factorization.

513522152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448913 (or 448909 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 513522152 is about 22661.0271611858. The cubic root of 513522152 is about 800.7920031550.

Adding to 513522152 its reverse (251225315), we get a palindrome (764747467).

The spelling of 513522152 in words is "five hundred thirteen million, five hundred twenty-two thousand, one hundred fifty-two".