264679901 has 2 divisors, whose sum is σ = 264679902. Its totient is φ = 264679900.

The previous prime is 264679853. The next prime is 264679903. The reversal of 264679901 is 109976462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243048100 + 21631801 = 15590^2 + 4651^2 .

It is a cyclic number.

It is not a de Polignac number, because 264679901 - 2¹⁴ = 264663517 is a prime.

Together with 264679903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264679903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132339950 + 132339951.

It is an arithmetic number, because the mean of its divisors is an integer number (132339951).

Almost surely, 2^264679901 is an apocalyptic number.

It is an amenable number.

264679901 is a deficient number, since it is larger than the sum of its proper divisors (1).

264679901 is an equidigital number, since it uses as much as digits as its factorization.

264679901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 264679901 is about 16268.9858626775. The cubic root of 264679901 is about 642.0571024477.

The spelling of 264679901 in words is "two hundred sixty-four million, six hundred seventy-nine thousand, nine hundred one".