25012453 has 2 divisors, whose sum is σ = 25012454. Its totient is φ = 25012452.

The previous prime is 25012451. The next prime is 25012459. The reversal of 25012453 is 35421052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21836929 + 3175524 = 4673^2 + 1782^2 .

It is a cyclic number.

It is not a de Polignac number, because 25012453 - 2¹ = 25012451 is a prime.

Together with 25012451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25012451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506226 + 12506227.

It is an arithmetic number, because the mean of its divisors is an integer number (12506227).

Almost surely, 2^25012453 is an apocalyptic number.

It is an amenable number.

25012453 is a deficient number, since it is larger than the sum of its proper divisors (1).

25012453 is an equidigital number, since it uses as much as digits as its factorization.

25012453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25012453 is about 5001.2451449614. The cubic root of 25012453 is about 292.4503161527.

The spelling of 25012453 in words is "twenty-five million, twelve thousand, four hundred fifty-three".