25411025 has 6 divisors (see below), whose sum is σ = 31509702. Its totient is φ = 20328800.

The previous prime is 25411003. The next prime is 25411033. The reversal of 25411025 is 52011452.

It can be written as a sum of positive squares in 3 ways, for example, as 49729 + 25361296 = 223^2 + 5036^2 .

It is not a de Polignac number, because 25411025 - 2¹⁸ = 25148881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25410988 and 25411006.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 508196 + ... + 508245.

It is an arithmetic number, because the mean of its divisors is an integer number (5251617).

Almost surely, 2^25411025 is an apocalyptic number.

25411025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25411025 is a deficient number, since it is larger than the sum of its proper divisors (6098677).

25411025 is a wasteful number, since it uses less digits than its factorization.

25411025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016451 (or 1016446 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 25411025 is about 5040.9349331250. The cubic root of 25411025 is about 293.9955303438.

Adding to 25411025 its reverse (52011452), we get a palindrome (77422477).

The spelling of 25411025 in words is "twenty-five million, four hundred eleven thousand, twenty-five".