25126243 has 2 divisors, whose sum is σ = 25126244. Its totient is φ = 25126242.

The previous prime is 25126237. The next prime is 25126301. The reversal of 25126243 is 34262152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25126243 - 2⁹ = 25125731 is a prime.

It is not a weakly prime, because it can be changed into another prime (25126223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12563121 + 12563122.

It is an arithmetic number, because the mean of its divisors is an integer number (12563122).

Almost surely, 2^25126243 is an apocalyptic number.

25126243 is a deficient number, since it is larger than the sum of its proper divisors (1).

25126243 is an equidigital number, since it uses as much as digits as its factorization.

25126243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 25126243 is about 5012.6084028178. The cubic root of 25126243 is about 292.8931300384.

Adding to 25126243 its reverse (34262152), we get a palindrome (59388395).

The spelling of 25126243 in words is "twenty-five million, one hundred twenty-six thousand, two hundred forty-three".