25315011 has 24 divisors (see below), whose sum is σ = 39923520. Its totient is φ = 15985512.

The previous prime is 25315007. The next prime is 25315027. The reversal of 25315011 is 11051352.

It is not a de Polignac number, because 25315011 - 2² = 25315007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25315001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1876 + ... + 7358.

It is an arithmetic number, because the mean of its divisors is an integer number (1663480).

Almost surely, 2^25315011 is an apocalyptic number.

25315011 is a deficient number, since it is larger than the sum of its proper divisors (14608509).

25315011 is an equidigital number, since it uses as much as digits as its factorization.

25315011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517 (or 5505 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 25315011 is about 5031.4024883724. The cubic root of 25315011 is about 293.6247816384.

Adding to 25315011 its reverse (11051352), we get a palindrome (36366363).

The spelling of 25315011 in words is "twenty-five million, three hundred fifteen thousand, eleven".