2025267665 has 32 divisors (see below), whose sum is σ = 2657587200. Its totient is φ = 1475962560.

The previous prime is 2025267659. The next prime is 2025267697. The reversal of 2025267665 is 5667625202.

It is a happy number.

It is not a de Polignac number, because 2025267665 - 2²² = 2021073361 is a prime.

It is a super-2 number, since 2×2025267665² = 8203418229789104450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477926 + ... + 482144.

It is an arithmetic number, because the mean of its divisors is an integer number (83049600).

Almost surely, 2^2025267665 is an apocalyptic number.

It is an amenable number.

2025267665 is a deficient number, since it is larger than the sum of its proper divisors (632319535).

2025267665 is a wasteful number, since it uses less digits than its factorization.

2025267665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 2025267665 is about 45002.9739572842. The cubic root of 2025267665 is about 1265.2047380658.

The spelling of 2025267665 in words is "two billion, twenty-five million, two hundred sixty-seven thousand, six hundred sixty-five".