25051253 has 4 divisors (see below), whose sum is σ = 26369760. Its totient is φ = 23732748.

The previous prime is 25051219. The next prime is 25051277. The reversal of 25051253 is 35215052.

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 not a de Polignac number, because 25051253 - 2⁶ = 25051189 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 (25051153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659225 + ... + 659262.

It is an arithmetic number, because the mean of its divisors is an integer number (6592440).

Almost surely, 2^25051253 is an apocalyptic number.

It is an amenable number.

25051253 is a deficient number, since it is larger than the sum of its proper divisors (1318507).

25051253 is a wasteful number, since it uses less digits than its factorization.

25051253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318506.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 25051253 is about 5005.1226758192. The cubic root of 25051253 is about 292.6014570001.

It can be divided in two parts, 2505 and 1253, that multiplied together give a triangular number (3138765 = T₂₅₀₅).

The spelling of 25051253 in words is "twenty-five million, fifty-one thousand, two hundred fifty-three".