25253099453 has 2 divisors, whose sum is σ = 25253099454. Its totient is φ = 25253099452.

The previous prime is 25253099449. The next prime is 25253099479. The reversal of 25253099453 is 35499035252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14022822724 + 11230276729 = 118418^2 + 105973^2 .

It is a cyclic number.

It is not a de Polignac number, because 25253099453 - 2² = 25253099449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25253099398 and 25253099407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25253099423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626549726 + 12626549727.

It is an arithmetic number, because the mean of its divisors is an integer number (12626549727).

Almost surely, 2^25253099453 is an apocalyptic number.

It is an amenable number.

25253099453 is a deficient number, since it is larger than the sum of its proper divisors (1).

25253099453 is an equidigital number, since it uses as much as digits as its factorization.

25253099453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 47.

The spelling of 25253099453 in words is "twenty-five billion, two hundred fifty-three million, ninety-nine thousand, four hundred fifty-three".