25298423 has 2 divisors, whose sum is σ = 25298424. Its totient is φ = 25298422.

The previous prime is 25298419. The next prime is 25298447. The reversal of 25298423 is 32489252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25298423 - 2² = 25298419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25298123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12649211 + 12649212.

It is an arithmetic number, because the mean of its divisors is an integer number (12649212).

Almost surely, 2^25298423 is an apocalyptic number.

25298423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25298423 is an equidigital number, since it uses as much as digits as its factorization.

25298423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 25298423 is about 5029.7537713093. The cubic root of 25298423 is about 293.5606337682.

The spelling of 25298423 in words is "twenty-five million, two hundred ninety-eight thousand, four hundred twenty-three".