25245002253 has 8 divisors (see below), whose sum is σ = 33663188416. Its totient is φ = 16828408800.

The previous prime is 25245002249. The next prime is 25245002257. The reversal of 25245002253 is 35220054252.

It is an interprime number because it is at equal distance from previous prime (25245002249) and next prime (25245002257).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25245002253 - 2² = 25245002249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25245002253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25245002257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360688 + ... + 424953.

It is an arithmetic number, because the mean of its divisors is an integer number (4207898552).

Almost surely, 2^25245002253 is an apocalyptic number.

It is an amenable number.

25245002253 is a deficient number, since it is larger than the sum of its proper divisors (8418186163).

25245002253 is a wasteful number, since it uses less digits than its factorization.

25245002253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796355.

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 25245002253 in words is "twenty-five billion, two hundred forty-five million, two thousand, two hundred fifty-three".