25349253 has 4 divisors (see below), whose sum is σ = 33799008. Its totient is φ = 16899500.

The previous prime is 25349251. The next prime is 25349257. The reversal of 25349253 is 35294352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25349253 - 2¹ = 25349251 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25349251) 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, 4224873 + ... + 4224878.

It is an arithmetic number, because the mean of its divisors is an integer number (8449752).

Almost surely, 2^25349253 is an apocalyptic number.

It is an amenable number.

25349253 is a deficient number, since it is larger than the sum of its proper divisors (8449755).

25349253 is an equidigital number, since it uses as much as digits as its factorization.

25349253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8449754.

The product of its digits is 32400, while the sum is 33.

The square root of 25349253 is about 5034.8041669960. The cubic root of 25349253 is about 293.7571111603.

The spelling of 25349253 in words is "twenty-five million, three hundred forty-nine thousand, two hundred fifty-three".