25042641 has 32 divisors (see below), whose sum is σ = 37403520. Its totient is φ = 14805504.

The previous prime is 25042639. The next prime is 25042651. The reversal of 25042641 is 14624052.

It is not a de Polignac number, because 25042641 - 2¹ = 25042639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25042621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182725 + ... + 182861.

It is an arithmetic number, because the mean of its divisors is an integer number (1168860).

Almost surely, 2^25042641 is an apocalyptic number.

It is an amenable number.

25042641 is a deficient number, since it is larger than the sum of its proper divisors (12360879).

25042641 is a wasteful number, since it uses less digits than its factorization.

25042641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 25042641 is about 5004.2622832941. The cubic root of 25042641 is about 292.5679234471.

Adding to 25042641 its reverse (14624052), we get a palindrome (39666693).

The spelling of 25042641 in words is "twenty-five million, forty-two thousand, six hundred forty-one".