25065712453 has 2 divisors, whose sum is σ = 25065712454. Its totient is φ = 25065712452.

The previous prime is 25065712447. The next prime is 25065712487. The reversal of 25065712453 is 35421756052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24751784929 + 313927524 = 157327^2 + 17718^2 .

It is a cyclic number.

It is not a de Polignac number, because 25065712453 - 2¹⁷ = 25065581381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25065719453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12532856226 + 12532856227.

It is an arithmetic number, because the mean of its divisors is an integer number (12532856227).

Almost surely, 2^25065712453 is an apocalyptic number.

It is an amenable number.

25065712453 is a deficient number, since it is larger than the sum of its proper divisors (1).

25065712453 is an equidigital number, since it uses as much as digits as its factorization.

25065712453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 25065712453 in words is "twenty-five billion, sixty-five million, seven hundred twelve thousand, four hundred fifty-three".