25252059551 has 2 divisors, whose sum is σ = 25252059552. Its totient is φ = 25252059550.

The previous prime is 25252059541. The next prime is 25252059587. The reversal of 25252059551 is 15595025252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25252059551 - 2⁶ = 25252059487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25252059499 and 25252059508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25252059541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626029775 + 12626029776.

It is an arithmetic number, because the mean of its divisors is an integer number (12626029776).

Almost surely, 2^25252059551 is an apocalyptic number.

25252059551 is a deficient number, since it is larger than the sum of its proper divisors (1).

25252059551 is an equidigital number, since it uses as much as digits as its factorization.

25252059551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 25252059551 in words is "twenty-five billion, two hundred fifty-two million, fifty-nine thousand, five hundred fifty-one".