25415164153 has 2 divisors, whose sum is σ = 25415164154. Its totient is φ = 25415164152.

The previous prime is 25415164133. The next prime is 25415164163. The reversal of 25415164153 is 35146151452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20126529424 + 5288634729 = 141868^2 + 72723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25415164153 is a prime.

It is not a weakly prime, because it can be changed into another prime (25415164133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12707582076 + 12707582077.

It is an arithmetic number, because the mean of its divisors is an integer number (12707582077).

Almost surely, 2^25415164153 is an apocalyptic number.

It is an amenable number.

25415164153 is a deficient number, since it is larger than the sum of its proper divisors (1).

25415164153 is an equidigital number, since it uses as much as digits as its factorization.

25415164153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 37.

The spelling of 25415164153 in words is "twenty-five billion, four hundred fifteen million, one hundred sixty-four thousand, one hundred fifty-three".