25432651 has 4 divisors (see below), whose sum is σ = 26024152. Its totient is φ = 24841152.

The previous prime is 25432619. The next prime is 25432699. The reversal of 25432651 is 15623452.

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 25432651 - 2⁵ = 25432619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25432151) 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, 295686 + ... + 295771.

It is an arithmetic number, because the mean of its divisors is an integer number (6506038).

Almost surely, 2^25432651 is an apocalyptic number.

25432651 is a deficient number, since it is larger than the sum of its proper divisors (591501).

25432651 is an equidigital number, since it uses as much as digits as its factorization.

25432651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591500.

The product of its digits is 7200, while the sum is 28.

The square root of 25432651 is about 5043.0795155341. The cubic root of 25432651 is about 294.0789081237.

The spelling of 25432651 in words is "twenty-five million, four hundred thirty-two thousand, six hundred fifty-one".