25002780253 has 8 divisors (see below), whose sum is σ = 27368855136. Its totient is φ = 22652221200.

The previous prime is 25002780241. The next prime is 25002780259. The reversal of 25002780253 is 35208720052.

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

It is a cyclic number.

It is not a de Polignac number, because 25002780253 - 2⁹ = 25002779741 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 (25002780259) 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, 3875583 + ... + 3882028.

It is an arithmetic number, because the mean of its divisors is an integer number (3421106892).

Almost surely, 2^25002780253 is an apocalyptic number.

It is an amenable number.

25002780253 is a deficient number, since it is larger than the sum of its proper divisors (2366074883).

25002780253 is a wasteful number, since it uses less digits than its factorization.

25002780253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757915.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 25002780253 in words is "twenty-five billion, two million, seven hundred eighty thousand, two hundred fifty-three".