25000231 has 2 divisors, whose sum is σ = 25000232. Its totient is φ = 25000230.

The previous prime is 25000211. The next prime is 25000267. The reversal of 25000231 is 13200052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25000231 - 2⁹ = 24999719 is a prime.

It is a super-2 number, since 2×25000231² = 1250023100106722, which contains 22 as substring.

25000231 is a modest number, since divided by 231 gives 25 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25000211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500115 + 12500116.

It is an arithmetic number, because the mean of its divisors is an integer number (12500116).

Almost surely, 2^25000231 is an apocalyptic number.

25000231 is a deficient number, since it is larger than the sum of its proper divisors (1).

25000231 is an equidigital number, since it uses as much as digits as its factorization.

25000231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 25000231 is about 5000.0230999466. The cubic root of 25000231 is about 292.4026744160.

Adding to 25000231 its reverse (13200052), we get a palindrome (38200283).

The spelling of 25000231 in words is "twenty-five million, two hundred thirty-one", and thus it is an aban number.