25623441 has 12 divisors (see below), whose sum is σ = 37107460. Its totient is φ = 17038080.

The previous prime is 25623407. The next prime is 25623461. The reversal of 25623441 is 14432652.

It can be written as a sum of positive squares in 2 ways, for example, as 21902400 + 3721041 = 4680^2 + 1929^2 .

It is not a de Polignac number, because 25623441 - 2⁹ = 25622929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25623461) 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, 201 + ... + 7161.

Almost surely, 2^25623441 is an apocalyptic number.

It is an amenable number.

25623441 is a deficient number, since it is larger than the sum of its proper divisors (11484019).

25623441 is a wasteful number, since it uses less digits than its factorization.

25623441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7376 (or 7373 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 25623441 is about 5061.9601934429. The cubic root of 25623441 is about 294.8124480554.

The spelling of 25623441 in words is "twenty-five million, six hundred twenty-three thousand, four hundred forty-one".