25253122471 has 4 divisors (see below), whose sum is σ = 26582234200. Its totient is φ = 23924010744.

The previous prime is 25253122469. The next prime is 25253122501. The reversal of 25253122471 is 17422135252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25253122471 - 2¹ = 25253122469 is a prime.

It is a super-3 number, since 3×25253122471³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253122441) 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, 664555836 + ... + 664555873.

It is an arithmetic number, because the mean of its divisors is an integer number (6645558550).

Almost surely, 2^25253122471 is an apocalyptic number.

25253122471 is a deficient number, since it is larger than the sum of its proper divisors (1329111729).

25253122471 is a wasteful number, since it uses less digits than its factorization.

25253122471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329111728.

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

The spelling of 25253122471 in words is "twenty-five billion, two hundred fifty-three million, one hundred twenty-two thousand, four hundred seventy-one".