25414429 has 2 divisors, whose sum is σ = 25414430. Its totient is φ = 25414428.

The previous prime is 25414421. The next prime is 25414447. The reversal of 25414429 is 92441452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20115225 + 5299204 = 4485^2 + 2302^2 .

It is a cyclic number.

It is not a de Polignac number, because 25414429 - 2³ = 25414421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25414429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25414421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12707214 + 12707215.

It is an arithmetic number, because the mean of its divisors is an integer number (12707215).

Almost surely, 2^25414429 is an apocalyptic number.

It is an amenable number.

25414429 is a deficient number, since it is larger than the sum of its proper divisors (1).

25414429 is an equidigital number, since it uses as much as digits as its factorization.

25414429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 25414429 is about 5041.2725575989. The cubic root of 25414429 is about 294.0086574031.

The spelling of 25414429 in words is "twenty-five million, four hundred fourteen thousand, four hundred twenty-nine".