612482391 has 20 divisors (see below), whose sum is σ = 916264272. Its totient is φ = 407731968.

The previous prime is 612482383. The next prime is 612482417. The reversal of 612482391 is 193284216.

612482391 is a `hidden beast` number, since 612 + 4 + 8 + 2 + 39 + 1 = 666.

612482391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612482391 - 2³ = 612482383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612482371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55095 + ... + 65271.

Almost surely, 2^612482391 is an apocalyptic number.

612482391 is a deficient number, since it is larger than the sum of its proper divisors (303781881).

612482391 is a wasteful number, since it uses less digits than its factorization.

612482391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10932 (or 10923 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 612482391 is about 24748.3815834490. The cubic root of 612482391 is about 849.2414875740.

The spelling of 612482391 in words is "six hundred twelve million, four hundred eighty-two thousand, three hundred ninety-one".