25433651 has 2 divisors, whose sum is σ = 25433652. Its totient is φ = 25433650.

The previous prime is 25433641. The next prime is 25433677. The reversal of 25433651 is 15633452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25433651 - 2¹⁴ = 25417267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25433641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12716825 + 12716826.

It is an arithmetic number, because the mean of its divisors is an integer number (12716826).

Almost surely, 2^25433651 is an apocalyptic number.

25433651 is a deficient number, since it is larger than the sum of its proper divisors (1).

25433651 is an equidigital number, since it uses as much as digits as its factorization.

25433651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 25433651 is about 5043.1786603292. The cubic root of 25433651 is about 294.0827624218.

The spelling of 25433651 in words is "twenty-five million, four hundred thirty-three thousand, six hundred fifty-one".