153240325 has 12 divisors (see below), whose sum is σ = 217163680. Its totient is φ = 105078960.

The previous prime is 153240319. The next prime is 153240343. The reversal of 153240325 is 523042351.

It is not a de Polignac number, because 153240325 - 2⁹ = 153239813 is a prime.

It is a super-2 number, since 2×153240325² = 46965194412211250, which contains 22 as substring.

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 153240325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437655 + ... + 438004.

Almost surely, 2^153240325 is an apocalyptic number.

It is an amenable number.

153240325 is a deficient number, since it is larger than the sum of its proper divisors (63923355).

153240325 is an equidigital number, since it uses as much as digits as its factorization.

153240325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875676 (or 875671 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 153240325 is about 12379.0276274027. The cubic root of 153240325 is about 535.1280154834.

Adding to 153240325 its reverse (523042351), we get a palindrome (676282676).

The spelling of 153240325 in words is "one hundred fifty-three million, two hundred forty thousand, three hundred twenty-five".