265471601 has 4 divisors (see below), whose sum is σ = 267952752. Its totient is φ = 262990452.

The previous prime is 265471567. The next prime is 265471639. The reversal of 265471601 is 106174562.

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-265471601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265477601) 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, 1240415 + ... + 1240628.

It is an arithmetic number, because the mean of its divisors is an integer number (66988188).

Almost surely, 2^265471601 is an apocalyptic number.

It is an amenable number.

265471601 is a deficient number, since it is larger than the sum of its proper divisors (2481151).

265471601 is a wasteful number, since it uses less digits than its factorization.

265471601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481150.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 265471601 is about 16293.2992668766. The cubic root of 265471601 is about 642.6966304559.

The spelling of 265471601 in words is "two hundred sixty-five million, four hundred seventy-one thousand, six hundred one".