25460525 has 6 divisors (see below), whose sum is σ = 31571082. Its totient is φ = 20368400.

The previous prime is 25460507. The next prime is 25460527. The reversal of 25460525 is 52506452.

It can be written as a sum of positive squares in 3 ways, for example, as 4401604 + 21058921 = 2098^2 + 4589^2 .

It is not a de Polignac number, because 25460525 - 2¹⁰ = 25459501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25460527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 509186 + ... + 509235.

It is an arithmetic number, because the mean of its divisors is an integer number (5261847).

Almost surely, 2^25460525 is an apocalyptic number.

25460525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25460525 is a deficient number, since it is larger than the sum of its proper divisors (6110557).

25460525 is a wasteful number, since it uses less digits than its factorization.

25460525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018431 (or 1018426 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 25460525 is about 5045.8423479138. The cubic root of 25460525 is about 294.1863050107.

Adding to 25460525 its reverse (52506452), we get a palindrome (77966977).

The spelling of 25460525 in words is "twenty-five million, four hundred sixty thousand, five hundred twenty-five".