913523812 has 24 divisors (see below), whose sum is σ = 1610180600. Its totient is φ = 453482496.

The previous prime is 913523803. The next prime is 913523837. The reversal of 913523812 is 218325319.

It can be written as a sum of positive squares in 4 ways, for example, as 4260096 + 909263716 = 2064^2 + 30154^2 .

It is a super-2 number, since 2×913523812² = 1669051510182022688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546514 + ... + 548182.

Almost surely, 2^913523812 is an apocalyptic number.

It is an amenable number.

913523812 is a deficient number, since it is larger than the sum of its proper divisors (696656788).

913523812 is a wasteful number, since it uses less digits than its factorization.

913523812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575 (or 2573 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 913523812 is about 30224.5564400869. The cubic root of 913523812 is about 970.3013241774.

The spelling of 913523812 in words is "nine hundred thirteen million, five hundred twenty-three thousand, eight hundred twelve".