25212043 has 2 divisors, whose sum is σ = 25212044. Its totient is φ = 25212042.

The previous prime is 25212041. The next prime is 25212053. The reversal of 25212043 is 34021252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25212043 - 2¹ = 25212041 is a prime.

It is a super-2 number, since 2×25212043² = 1271294224467698, which contains 22 as substring.

Together with 25212041, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25212043.

It is not a weakly prime, because it can be changed into another prime (25212041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12606021 + 12606022.

It is an arithmetic number, because the mean of its divisors is an integer number (12606022).

Almost surely, 2^25212043 is an apocalyptic number.

25212043 is a deficient number, since it is larger than the sum of its proper divisors (1).

25212043 is an equidigital number, since it uses as much as digits as its factorization.

25212043 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 19.

The square root of 25212043 is about 5021.1595274399. The cubic root of 25212043 is about 293.2261375127.

Adding to 25212043 its reverse (34021252), we get a palindrome (59233295).

The spelling of 25212043 in words is "twenty-five million, two hundred twelve thousand, forty-three".