25552153013 has 2 divisors, whose sum is σ = 25552153014. Its totient is φ = 25552153012.

The previous prime is 25552152959. The next prime is 25552153043. The reversal of 25552153013 is 31035125552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22727974564 + 2824178449 = 150758^2 + 53143^2 .

It is a cyclic number.

It is not a de Polignac number, because 25552153013 - 2⁶ = 25552152949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25552153043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776076506 + 12776076507.

It is an arithmetic number, because the mean of its divisors is an integer number (12776076507).

Almost surely, 2^25552153013 is an apocalyptic number.

It is an amenable number.

25552153013 is a deficient number, since it is larger than the sum of its proper divisors (1).

25552153013 is an equidigital number, since it uses as much as digits as its factorization.

25552153013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 32.

Adding to 25552153013 its reverse (31035125552), we get a palindrome (56587278565).

The spelling of 25552153013 in words is "twenty-five billion, five hundred fifty-two million, one hundred fifty-three thousand, thirteen".