25412315 has 4 divisors (see below), whose sum is σ = 30494784. Its totient is φ = 20329848.

The previous prime is 25412311. The next prime is 25412341. The reversal of 25412315 is 51321452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25412315 - 2² = 25412311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25412311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541227 + ... + 2541236.

It is an arithmetic number, because the mean of its divisors is an integer number (7623696).

Almost surely, 2^25412315 is an apocalyptic number.

25412315 is a deficient number, since it is larger than the sum of its proper divisors (5082469).

25412315 is an equidigital number, since it uses as much as digits as its factorization.

25412315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5082468.

The product of its digits is 1200, while the sum is 23.

The square root of 25412315 is about 5041.0628839561. The cubic root of 25412315 is about 294.0005051899. Note that the first 3 decimals are identical.

Adding to 25412315 its reverse (51321452), we get a palindrome (76733767).

The spelling of 25412315 in words is "twenty-five million, four hundred twelve thousand, three hundred fifteen".