80513932 has 6 divisors (see below), whose sum is σ = 140899388. Its totient is φ = 40256964.

The previous prime is 80513903. The next prime is 80513933. The reversal of 80513932 is 23931508.

It is a happy number.

It is a super-2 number, since 2×80513932² = 12964986492201248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80513894 and 80513903.

It is not an unprimeable number, because it can be changed into a prime (80513933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10064238 + ... + 10064245.

Almost surely, 2^80513932 is an apocalyptic number.

It is an amenable number.

80513932 is a deficient number, since it is larger than the sum of its proper divisors (60385456).

80513932 is a wasteful number, since it uses less digits than its factorization.

80513932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20128487 (or 20128485 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 80513932 is about 8972.9555888793. The cubic root of 80513932 is about 431.8076632939.

The spelling of 80513932 in words is "eighty million, five hundred thirteen thousand, nine hundred thirty-two".