25250453 has 2 divisors, whose sum is σ = 25250454. Its totient is φ = 25250452.

The previous prime is 25250441. The next prime is 25250471. The reversal of 25250453 is 35405252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13126129 + 12124324 = 3623^2 + 3482^2 .

It is a cyclic number.

It is not a de Polignac number, because 25250453 - 2⁴ = 25250437 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25250473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12625226 + 12625227.

It is an arithmetic number, because the mean of its divisors is an integer number (12625227).

Almost surely, 2^25250453 is an apocalyptic number.

It is an amenable number.

25250453 is a deficient number, since it is larger than the sum of its proper divisors (1).

25250453 is an equidigital number, since it uses as much as digits as its factorization.

25250453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 25250453 is about 5024.9828855430. The cubic root of 25250453 is about 293.3749698416.

It can be divided in two parts, 252 and 50453, that added together give a palindrome (50705).

The spelling of 25250453 in words is "twenty-five million, two hundred fifty thousand, four hundred fifty-three".