25212023 has 2 divisors, whose sum is σ = 25212024. Its totient is φ = 25212022.

The previous prime is 25212013. The next prime is 25212041. The reversal of 25212023 is 32021252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25212023 - 2¹⁸ = 24949879 is a prime.

It is a super-2 number, since 2×25212023² = 1271292207505058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25211992 and 25212010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25212013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12606011 + 12606012.

It is an arithmetic number, because the mean of its divisors is an integer number (12606012).

Almost surely, 2^25212023 is an apocalyptic number.

25212023 is a deficient number, since it is larger than the sum of its proper divisors (1).

25212023 is an equidigital number, since it uses as much as digits as its factorization.

25212023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25212023 is about 5021.1575358676. The cubic root of 25212023 is about 293.2260599767.

Adding to 25212023 its reverse (32021252), we get a palindrome (57233275).

The spelling of 25212023 in words is "twenty-five million, two hundred twelve thousand, twenty-three".