25364429 has 2 divisors, whose sum is σ = 25364430. Its totient is φ = 25364428.

The previous prime is 25364413. The next prime is 25364477. The reversal of 25364429 is 92446352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20912329 + 4452100 = 4573^2 + 2110^2 .

It is a cyclic number.

It is not a de Polignac number, because 25364429 - 2⁴ = 25364413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25364489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12682214 + 12682215.

It is an arithmetic number, because the mean of its divisors is an integer number (12682215).

Almost surely, 2^25364429 is an apocalyptic number.

It is an amenable number.

25364429 is a deficient number, since it is larger than the sum of its proper divisors (1).

25364429 is an equidigital number, since it uses as much as digits as its factorization.

25364429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 25364429 is about 5036.3110507593. The cubic root of 25364429 is about 293.8157212841.

The spelling of 25364429 in words is "twenty-five million, three hundred sixty-four thousand, four hundred twenty-nine".