25698467 has 2 divisors, whose sum is σ = 25698468. Its totient is φ = 25698466.

The previous prime is 25698457. The next prime is 25698479. The reversal of 25698467 is 76489652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25698467 - 2⁴ = 25698451 is a prime.

It is a super-2 number, since 2×25698467² = 1320822412300178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25698457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12849233 + 12849234.

It is an arithmetic number, because the mean of its divisors is an integer number (12849234).

Almost surely, 2^25698467 is an apocalyptic number.

25698467 is a deficient number, since it is larger than the sum of its proper divisors (1).

25698467 is an equidigital number, since it uses as much as digits as its factorization.

25698467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 25698467 is about 5069.3655421561. The cubic root of 25698467 is about 295.0999067911.

The spelling of 25698467 in words is "twenty-five million, six hundred ninety-eight thousand, four hundred sixty-seven".