25430297 has 2 divisors, whose sum is σ = 25430298. Its totient is φ = 25430296.

The previous prime is 25430281. The next prime is 25430309. The reversal of 25430297 is 79203452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22458121 + 2972176 = 4739^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 25430297 - 2⁴ = 25430281 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25430257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12715148 + 12715149.

It is an arithmetic number, because the mean of its divisors is an integer number (12715149).

Almost surely, 2^25430297 is an apocalyptic number.

It is an amenable number.

25430297 is a deficient number, since it is larger than the sum of its proper divisors (1).

25430297 is an equidigital number, since it uses as much as digits as its factorization.

25430297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 25430297 is about 5042.8461209916. The cubic root of 25430297 is about 294.0698347072.

The spelling of 25430297 in words is "twenty-five million, four hundred thirty thousand, two hundred ninety-seven".