265264601 has 4 divisors (see below), whose sum is σ = 303159552. Its totient is φ = 227369652.

The previous prime is 265264561. The next prime is 265264607. The reversal of 265264601 is 106462562.

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-265264601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265264607) 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, 18947465 + ... + 18947478.

It is an arithmetic number, because the mean of its divisors is an integer number (75789888).

Almost surely, 2^265264601 is an apocalyptic number.

It is an amenable number.

265264601 is a deficient number, since it is larger than the sum of its proper divisors (37894951).

265264601 is an equidigital number, since it uses as much as digits as its factorization.

265264601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37894950.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 265264601 is about 16286.9457234928. The cubic root of 265264601 is about 642.5295406485.

The spelling of 265264601 in words is "two hundred sixty-five million, two hundred sixty-four thousand, six hundred one".