264979751 has 2 divisors, whose sum is σ = 264979752. Its totient is φ = 264979750.

The previous prime is 264979747. The next prime is 264979753. The reversal of 264979751 is 157979462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264979751 - 2² = 264979747 is a prime.

It is a Sophie Germain prime.

Together with 264979753, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264979751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264979753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132489875 + 132489876.

It is an arithmetic number, because the mean of its divisors is an integer number (132489876).

Almost surely, 2^264979751 is an apocalyptic number.

264979751 is a deficient number, since it is larger than the sum of its proper divisors (1).

264979751 is an equidigital number, since it uses as much as digits as its factorization.

264979751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 50.

The square root of 264979751 is about 16278.1986411273. The cubic root of 264979751 is about 642.2994683726.

The spelling of 264979751 in words is "two hundred sixty-four million, nine hundred seventy-nine thousand, seven hundred fifty-one".