4065624425 has 12 divisors (see below), whose sum is σ = 5204000256. Its totient is φ = 3147579600.

The previous prime is 4065624421. The next prime is 4065624473. The reversal of 4065624425 is 5244265604.

It is not a de Polignac number, because 4065624425 - 2² = 4065624421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4065624421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2622209 + ... + 2623758.

It is an arithmetic number, because the mean of its divisors is an integer number (433666688).

Almost surely, 2^4065624425 is an apocalyptic number.

It is an amenable number.

4065624425 is a deficient number, since it is larger than the sum of its proper divisors (1138375831).

4065624425 is a wasteful number, since it uses less digits than its factorization.

4065624425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246008 (or 5246003 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 4065624425 is about 63762.2492153469. The cubic root of 4065624425 is about 1596.0350295021.

The spelling of 4065624425 in words is "four billion, sixty-five million, six hundred twenty-four thousand, four hundred twenty-five".