6405023025 has 96 divisors (see below), whose sum is σ = 12468348800. Its totient is φ = 3214598400.

The previous prime is 6405022999. The next prime is 6405023059. The reversal of 6405023025 is 5203205046.

6405023025 is a `hidden beast` number, since 6 + 405 + 0 + 230 + 25 = 666.

It is not a de Polignac number, because 6405023025 - 2⁹ = 6405022513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 6405023025.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2011935 + ... + 2015115.

Almost surely, 2^6405023025 is an apocalyptic number.

It is an amenable number.

6405023025 is a deficient number, since it is larger than the sum of its proper divisors (6063325775).

6405023025 is a wasteful number, since it uses less digits than its factorization.

6405023025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376 (or 3365 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 6405023025 is about 80031.3877488077. The cubic root of 6405023025 is about 1857.1211317760.

The spelling of 6405023025 in words is "six billion, four hundred five million, twenty-three thousand, twenty-five".