25452511 has 12 divisors (see below), whose sum is σ = 29733480. Its totient is φ = 21724080.

The previous prime is 25452491. The next prime is 25452527. The reversal of 25452511 is 11525452.

It is not a de Polignac number, because 25452511 - 2⁹ = 25451999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25452211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12216 + ... + 14146.

It is an arithmetic number, because the mean of its divisors is an integer number (2477790).

Almost surely, 2^25452511 is an apocalyptic number.

25452511 is a deficient number, since it is larger than the sum of its proper divisors (4280969).

25452511 is a wasteful number, since it uses less digits than its factorization.

25452511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214 (or 2207 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 25452511 is about 5045.0481662716. The cubic root of 25452511 is about 294.1554355706.

Adding to 25452511 its reverse (11525452), we get a palindrome (36977963).

The spelling of 25452511 in words is "twenty-five million, four hundred fifty-two thousand, five hundred eleven".