25512653 has 2 divisors, whose sum is σ = 25512654. Its totient is φ = 25512652.

The previous prime is 25512637. The next prime is 25512667. The reversal of 25512653 is 35621552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18130564 + 7382089 = 4258^2 + 2717^2 .

It is a cyclic number.

It is not a de Polignac number, because 25512653 - 2⁴ = 25512637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25512353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12756326 + 12756327.

It is an arithmetic number, because the mean of its divisors is an integer number (12756327).

Almost surely, 2^25512653 is an apocalyptic number.

It is an amenable number.

25512653 is a deficient number, since it is larger than the sum of its proper divisors (1).

25512653 is an equidigital number, since it uses as much as digits as its factorization.

25512653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 25512653 is about 5051.0051474929. The cubic root of 25512653 is about 294.3869409587.

The spelling of 25512653 in words is "twenty-five million, five hundred twelve thousand, six hundred fifty-three".