25142315 has 16 divisors (see below), whose sum is σ = 33682176. Its totient is φ = 17858400.

The previous prime is 25142311. The next prime is 25142329. The reversal of 25142315 is 51324152.

It is not a de Polignac number, because 25142315 - 2² = 25142311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25142311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2951 + ... + 7680.

It is an arithmetic number, because the mean of its divisors is an integer number (2105136).

Almost surely, 2^25142315 is an apocalyptic number.

25142315 is a deficient number, since it is larger than the sum of its proper divisors (8539861).

25142315 is a wasteful number, since it uses less digits than its factorization.

25142315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10690.

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

The square root of 25142315 is about 5014.2113038842. The cubic root of 25142315 is about 292.9555664195.

Adding to 25142315 its reverse (51324152), we get a palindrome (76466467).

The spelling of 25142315 in words is "twenty-five million, one hundred forty-two thousand, three hundred fifteen".