40245325 has 24 divisors (see below), whose sum is σ = 52923200. Its totient is φ = 30274560.

The previous prime is 40245319. The next prime is 40245329. The reversal of 40245325 is 52354204.

It is not a de Polignac number, because 40245325 - 2⁷ = 40245197 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40245325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91456 + ... + 91894.

Almost surely, 2^40245325 is an apocalyptic number.

It is an amenable number.

40245325 is a deficient number, since it is larger than the sum of its proper divisors (12677875).

40245325 is a wasteful number, since it uses less digits than its factorization.

40245325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 40245325 is about 6343.9203179107. The cubic root of 40245325 is about 342.6929312426.

Adding to 40245325 its reverse (52354204), we get a palindrome (92599529).

The spelling of 40245325 in words is "forty million, two hundred forty-five thousand, three hundred twenty-five".