25413641 has 4 divisors (see below), whose sum is σ = 27723984. Its totient is φ = 23103300.

The previous prime is 25413631. The next prime is 25413653. The reversal of 25413641 is 14631452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25413641 - 2¹⁰ = 25412617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25413641.

It is not an unprimeable number, because it can be changed into a prime (25413611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155155 + ... + 1155176.

It is an arithmetic number, because the mean of its divisors is an integer number (6930996).

Almost surely, 2^25413641 is an apocalyptic number.

It is an amenable number.

25413641 is a deficient number, since it is larger than the sum of its proper divisors (2310343).

25413641 is a wasteful number, since it uses less digits than its factorization.

25413641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310342.

The product of its digits is 2880, while the sum is 26.

The square root of 25413641 is about 5041.1944021234. The cubic root of 25413641 is about 294.0056186934.

The spelling of 25413641 in words is "twenty-five million, four hundred thirteen thousand, six hundred forty-one".