25006231 has 2 divisors, whose sum is σ = 25006232. Its totient is φ = 25006230.

The previous prime is 25006211. The next prime is 25006273. The reversal of 25006231 is 13260052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25006231 - 2⁷ = 25006103 is a prime.

It is a super-2 number, since 2×25006231² = 1250623177650722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25006199 and 25006208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25006211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12503115 + 12503116.

It is an arithmetic number, because the mean of its divisors is an integer number (12503116).

Almost surely, 2^25006231 is an apocalyptic number.

25006231 is a deficient number, since it is larger than the sum of its proper divisors (1).

25006231 is an equidigital number, since it uses as much as digits as its factorization.

25006231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 25006231 is about 5000.6230611795. The cubic root of 25006231 is about 292.4260645427.

Adding to 25006231 its reverse (13260052), we get a palindrome (38266283).

The spelling of 25006231 in words is "twenty-five million, six thousand, two hundred thirty-one".