40233625 has 16 divisors (see below), whose sum is σ = 51167376. Its totient is φ = 31574400.

The previous prime is 40233619. The next prime is 40233631. The reversal of 40233625 is 52633204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40233619) and next prime (40233631).

It can be written as a sum of positive squares in 8 ways, for example, as 2521744 + 37711881 = 1588^2 + 6141^2 .

It is not a de Polignac number, because 40233625 - 2⁵ = 40233593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40233625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3589 + ... + 9661.

It is an arithmetic number, because the mean of its divisors is an integer number (3197961).

Almost surely, 2^40233625 is an apocalyptic number.

It is an amenable number.

40233625 is a deficient number, since it is larger than the sum of its proper divisors (10933751).

40233625 is an equidigital number, since it uses as much as digits as its factorization.

40233625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141 (or 6131 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 40233625 is about 6342.9981081504. The cubic root of 40233625 is about 342.6597191374.

Adding to 40233625 its reverse (52633204), we get a palindrome (92866829).

The spelling of 40233625 in words is "forty million, two hundred thirty-three thousand, six hundred twenty-five".