25432567 has 2 divisors, whose sum is σ = 25432568. Its totient is φ = 25432566.

The previous prime is 25432559. The next prime is 25432609. The reversal of 25432567 is 76523452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25432567 - 2³ = 25432559 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25432367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12716283 + 12716284.

It is an arithmetic number, because the mean of its divisors is an integer number (12716284).

Almost surely, 2^25432567 is an apocalyptic number.

25432567 is a deficient number, since it is larger than the sum of its proper divisors (1).

25432567 is an equidigital number, since it uses as much as digits as its factorization.

25432567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 34.

The square root of 25432567 is about 5043.0711872826. The cubic root of 25432567 is about 294.0785843581.

The spelling of 25432567 in words is "twenty-five million, four hundred thirty-two thousand, five hundred sixty-seven".