25122043 has 2 divisors, whose sum is σ = 25122044. Its totient is φ = 25122042.

The previous prime is 25122037. The next prime is 25122077. The reversal of 25122043 is 34022152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25122043 - 2⁵ = 25122011 is a prime.

It is a super-2 number, since 2×25122043² = 1262234088987698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25122043.

It is not a weakly prime, because it can be changed into another prime (25122343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12561021 + 12561022.

It is an arithmetic number, because the mean of its divisors is an integer number (12561022).

Almost surely, 2^25122043 is an apocalyptic number.

25122043 is a deficient number, since it is larger than the sum of its proper divisors (1).

25122043 is an equidigital number, since it uses as much as digits as its factorization.

25122043 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 25122043 is about 5012.1894417510. The cubic root of 25122043 is about 292.8768095232.

Adding to 25122043 its reverse (34022152), we get a palindrome (59144195).

The spelling of 25122043 in words is "twenty-five million, one hundred twenty-two thousand, forty-three".