25001024231 has 2 divisors, whose sum is σ = 25001024232. Its totient is φ = 25001024230.

The previous prime is 25001024183. The next prime is 25001024249. The reversal of 25001024231 is 13242010052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25001024231 - 2²² = 24996829927 is a prime.

It is a super-2 number, since 2×25001024231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25001024291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500512115 + 12500512116.

It is an arithmetic number, because the mean of its divisors is an integer number (12500512116).

Almost surely, 2^25001024231 is an apocalyptic number.

25001024231 is a deficient number, since it is larger than the sum of its proper divisors (1).

25001024231 is an equidigital number, since it uses as much as digits as its factorization.

25001024231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 25001024231 its reverse (13242010052), we get a palindrome (38243034283).

The spelling of 25001024231 in words is "twenty-five billion, one million, twenty-four thousand, two hundred thirty-one".