25214400231 has 8 divisors (see below), whose sum is σ = 33767303424. Its totient is φ = 16735548600.

The previous prime is 25214400223. The next prime is 25214400241. The reversal of 25214400231 is 13200441252.

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

It is not a de Polignac number, because 25214400231 - 2³ = 25214400223 is a prime.

It is a super-2 number, since 2×25214400231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25214400241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18512095 + ... + 18513456.

It is an arithmetic number, because the mean of its divisors is an integer number (4220912928).

Almost surely, 2^25214400231 is an apocalyptic number.

25214400231 is a deficient number, since it is larger than the sum of its proper divisors (8552903193).

25214400231 is a wasteful number, since it uses less digits than its factorization.

25214400231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37025781.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 25214400231 its reverse (13200441252), we get a palindrome (38414841483).

The spelling of 25214400231 in words is "twenty-five billion, two hundred fourteen million, four hundred thousand, two hundred thirty-one".