25120453 has 4 divisors (see below), whose sum is σ = 25185420. Its totient is φ = 25055488.

The previous prime is 25120427. The next prime is 25120483. The reversal of 25120453 is 35402152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11819844 + 13300609 = 3438^2 + 3647^2 .

It is a cyclic number.

It is not a de Polignac number, because 25120453 - 2¹³ = 25112261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25120423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31900 + ... + 32677.

It is an arithmetic number, because the mean of its divisors is an integer number (6296355).

Almost surely, 2^25120453 is an apocalyptic number.

It is an amenable number.

25120453 is a deficient number, since it is larger than the sum of its proper divisors (64967).

25120453 is an equidigital number, since it uses as much as digits as its factorization.

25120453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64966.

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

The square root of 25120453 is about 5012.0308259228. The cubic root of 25120453 is about 292.8706305677.

The spelling of 25120453 in words is "twenty-five million, one hundred twenty thousand, four hundred fifty-three".