25253155373 has 2 divisors, whose sum is σ = 25253155374. Its totient is φ = 25253155372.

The previous prime is 25253155349. The next prime is 25253155439. The reversal of 25253155373 is 37355135252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13770318409 + 11482836964 = 117347^2 + 107158^2 .

It is a cyclic number.

It is not a de Polignac number, because 25253155373 - 2¹⁰ = 25253154349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25253155373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25253155313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626577686 + 12626577687.

It is an arithmetic number, because the mean of its divisors is an integer number (12626577687).

Almost surely, 2^25253155373 is an apocalyptic number.

It is an amenable number.

25253155373 is a deficient number, since it is larger than the sum of its proper divisors (1).

25253155373 is an equidigital number, since it uses as much as digits as its factorization.

25253155373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 472500, while the sum is 41.

The spelling of 25253155373 in words is "twenty-five billion, two hundred fifty-three million, one hundred fifty-five thousand, three hundred seventy-three".