513425322 has 12 divisors (see below), whose sum is σ = 1112421570. Its totient is φ = 171141768.

The previous prime is 513425299. The next prime is 513425359. The reversal of 513425322 is 223524315.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 476592561 + 36832761 = 21831^2 + 6069^2 .

It is a super-2 number, since 2×513425322² = 527211122541607368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14261797 + ... + 14261832.

Almost surely, 2^513425322 is an apocalyptic number.

513425322 is an abundant number, since it is smaller than the sum of its proper divisors (598996248).

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

513425322 is a wasteful number, since it uses less digits than its factorization.

513425322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28523637 (or 28523634 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 513425322 is about 22658.8905730179. The cubic root of 513425322 is about 800.7416674077.

Adding to 513425322 its reverse (223524315), we get a palindrome (736949637).

The spelling of 513425322 in words is "five hundred thirteen million, four hundred twenty-five thousand, three hundred twenty-two".