25552754501 has 2 divisors, whose sum is σ = 25552754502. Its totient is φ = 25552754500.

The previous prime is 25552754477. The next prime is 25552754573. The reversal of 25552754501 is 10545725552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14623097476 + 10929657025 = 120926^2 + 104545^2 .

It is a cyclic number.

It is not a de Polignac number, because 25552754501 - 2²⁶ = 25485645637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25552754401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776377250 + 12776377251.

It is an arithmetic number, because the mean of its divisors is an integer number (12776377251).

Almost surely, 2^25552754501 is an apocalyptic number.

It is an amenable number.

25552754501 is a deficient number, since it is larger than the sum of its proper divisors (1).

25552754501 is an equidigital number, since it uses as much as digits as its factorization.

25552754501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350000, while the sum is 41.

The spelling of 25552754501 in words is "twenty-five billion, five hundred fifty-two million, seven hundred fifty-four thousand, five hundred one".