662513427 has 12 divisors (see below), whose sum is σ = 979219384. Its totient is φ = 431403840.

The previous prime is 662513399. The next prime is 662513447. The reversal of 662513427 is 724315266.

662513427 is a `hidden beast` number, since 6 + 625 + 1 + 3 + 4 + 27 = 666.

It is not a de Polignac number, because 662513427 - 2¹¹ = 662511379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 662513391 and 662513400.

It is not an unprimeable number, because it can be changed into a prime (662513447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 855574 + ... + 856347.

Almost surely, 2^662513427 is an apocalyptic number.

662513427 is a deficient number, since it is larger than the sum of its proper divisors (316705957).

662513427 is a wasteful number, since it uses less digits than its factorization.

662513427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711970 (or 1711967 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 662513427 is about 25739.3361802514. The cubic root of 662513427 is about 871.7625899398.

It can be divided in two parts, 662 and 513427, that added together give a square (514089 = 717²).

The spelling of 662513427 in words is "six hundred sixty-two million, five hundred thirteen thousand, four hundred twenty-seven".