63091312 has 10 divisors (see below), whose sum is σ = 122239448. Its totient is φ = 31545648.

The previous prime is 63091309. The next prime is 63091313. The reversal of 63091312 is 21319036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63091313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971588 + ... + 1971619.

Almost surely, 2^63091312 is an apocalyptic number.

It is an amenable number.

63091312 is a deficient number, since it is larger than the sum of its proper divisors (59148136).

63091312 is a wasteful number, since it uses less digits than its factorization.

63091312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943215 (or 3943209 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 63091312 is about 7943.0039657550. The cubic root of 63091312 is about 398.0978690826.

The spelling of 63091312 in words is "sixty-three million, ninety-one thousand, three hundred twelve".