25241651 has 4 divisors (see below), whose sum is σ = 26726472. Its totient is φ = 23756832.

The previous prime is 25241641. The next prime is 25241653. The reversal of 25241651 is 15614252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25241651 - 2¹⁰ = 25240627 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 25241651.

It is not an unprimeable number, because it can be changed into a prime (25241653) 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, 742385 + ... + 742418.

It is an arithmetic number, because the mean of its divisors is an integer number (6681618).

Almost surely, 2^25241651 is an apocalyptic number.

25241651 is a deficient number, since it is larger than the sum of its proper divisors (1484821).

25241651 is a wasteful number, since it uses less digits than its factorization.

25241651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484820.

The product of its digits is 2400, while the sum is 26.

The square root of 25241651 is about 5024.1069853258. The cubic root of 25241651 is about 293.3408769008.

The spelling of 25241651 in words is "twenty-five million, two hundred forty-one thousand, six hundred fifty-one".