25200431 has 2 divisors, whose sum is σ = 25200432. Its totient is φ = 25200430.

The previous prime is 25200421. The next prime is 25200457. The reversal of 25200431 is 13400252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25200431 - 2¹⁰ = 25199407 is a prime.

It is a super-2 number, since 2×25200431² = 1270123445171522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25200421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12600215 + 12600216.

It is an arithmetic number, because the mean of its divisors is an integer number (12600216).

Almost surely, 2^25200431 is an apocalyptic number.

25200431 is a deficient number, since it is larger than the sum of its proper divisors (1).

25200431 is an equidigital number, since it uses as much as digits as its factorization.

25200431 is an odious number, because the sum of its binary digits is odd.

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

The square root of 25200431 is about 5020.0030876485. The cubic root of 25200431 is about 293.1811131992.

Adding to 25200431 its reverse (13400252), we get a palindrome (38600683).

The spelling of 25200431 in words is "twenty-five million, two hundred thousand, four hundred thirty-one".