612047297 has 4 divisors (see below), whose sum is σ = 622421040. Its totient is φ = 601673556.

The previous prime is 612047287. The next prime is 612047347. The reversal of 612047297 is 792740216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612047297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612047297.

It is not an unprimeable number, because it can be changed into a prime (612047237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5186783 + ... + 5186900.

It is an arithmetic number, because the mean of its divisors is an integer number (155605260).

Almost surely, 2^612047297 is an apocalyptic number.

It is an amenable number.

612047297 is a deficient number, since it is larger than the sum of its proper divisors (10373743).

612047297 is a wasteful number, since it uses less digits than its factorization.

612047297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10373742.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 612047297 is about 24739.5896691922. The cubic root of 612047297 is about 849.0403457884.

The spelling of 612047297 in words is "six hundred twelve million, forty-seven thousand, two hundred ninety-seven".