25019402253 has 8 divisors (see below), whose sum is σ = 33360093600. Its totient is φ = 16679156208.

The previous prime is 25019402249. The next prime is 25019402269. The reversal of 25019402253 is 35220491052.

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

It is not a de Polignac number, because 25019402253 - 2² = 25019402249 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 (25019402273) 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, 55483 + ... + 230471.

It is an arithmetic number, because the mean of its divisors is an integer number (4170011700).

Almost surely, 2^25019402253 is an apocalyptic number.

It is an amenable number.

25019402253 is a deficient number, since it is larger than the sum of its proper divisors (8340691347).

25019402253 is a wasteful number, since it uses less digits than its factorization.

25019402253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222651.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 25019402253 in words is "twenty-five billion, nineteen million, four hundred two thousand, two hundred fifty-three".