25432315 has 8 divisors (see below), whose sum is σ = 31094928. Its totient is φ = 19961760.

The previous prime is 25432313. The next prime is 25432321. The reversal of 25432315 is 51323452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25432315 - 2¹ = 25432313 is a prime.

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 25432315.

It is not an unprimeable number, because it can be changed into a prime (25432313) 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 7 ways as a sum of consecutive naturals, for example, 47721 + ... + 48250.

It is an arithmetic number, because the mean of its divisors is an integer number (3886866).

Almost surely, 2^25432315 is an apocalyptic number.

25432315 is a deficient number, since it is larger than the sum of its proper divisors (5662613).

25432315 is an equidigital number, since it uses as much as digits as its factorization.

25432315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96029.

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

The square root of 25432315 is about 5043.0462024455. The cubic root of 25432315 is about 294.0776130569.

Adding to 25432315 its reverse (51323452), we get a palindrome (76755767).

The spelling of 25432315 in words is "twenty-five million, four hundred thirty-two thousand, three hundred fifteen".