25140315 has 16 divisors (see below), whose sum is σ = 40320000. Its totient is φ = 13376352.

The previous prime is 25140301. The next prime is 25140317. The reversal of 25140315 is 51304152.

It is not a de Polignac number, because 25140315 - 2¹⁰ = 25139291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25140291 and 25140300.

It is not an unprimeable number, because it can be changed into a prime (25140317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5436 + ... + 8934.

It is an arithmetic number, because the mean of its divisors is an integer number (2520000).

Almost surely, 2^25140315 is an apocalyptic number.

25140315 is a deficient number, since it is larger than the sum of its proper divisors (15179685).

25140315 is a wasteful number, since it uses less digits than its factorization.

25140315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 25140315 is about 5014.0118667590. The cubic root of 25140315 is about 292.9477982848.

Adding to 25140315 its reverse (51304152), we get a palindrome (76444467).

The spelling of 25140315 in words is "twenty-five million, one hundred forty thousand, three hundred fifteen".