648015356 has 12 divisors (see below), whose sum is σ = 1135869168. Its totient is φ = 323481312.

The previous prime is 648015331. The next prime is 648015377. The reversal of 648015356 is 653510846.

It is a super-2 number, since 2×648015356² = 839847803223613472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128816 + ... + 133751.

It is an arithmetic number, because the mean of its divisors is an integer number (94655764).

Almost surely, 2^648015356 is an apocalyptic number.

It is an amenable number.

648015356 is a deficient number, since it is larger than the sum of its proper divisors (487853812).

648015356 is a wasteful number, since it uses less digits than its factorization.

648015356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263188 (or 263186 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 648015356 is about 25456.1457412547. The cubic root of 648015356 is about 865.3565776812.

The spelling of 648015356 in words is "six hundred forty-eight million, fifteen thousand, three hundred fifty-six".