813083528 has 8 divisors (see below), whose sum is σ = 1524531630. Its totient is φ = 406541760.

The previous prime is 813083489. The next prime is 813083539. The reversal of 813083528 is 825380318.

It can be written as a sum of positive squares in only one way, i.e., 624900004 + 188183524 = 24998^2 + 13718^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×813083528² = 1322209647009853568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 813083491 and 813083500.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50817713 + ... + 50817728.

Almost surely, 2^813083528 is an apocalyptic number.

It is an amenable number.

813083528 is a deficient number, since it is larger than the sum of its proper divisors (711448102).

813083528 is a wasteful number, since it uses less digits than its factorization.

813083528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101635447 (or 101635443 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 813083528 is about 28514.6195485754. The cubic root of 813083528 is about 933.3511229036.

The spelling of 813083528 in words is "eight hundred thirteen million, eighty-three thousand, five hundred twenty-eight".