25464479 has 2 divisors, whose sum is σ = 25464480. Its totient is φ = 25464478.

The previous prime is 25464463. The next prime is 25464493. The reversal of 25464479 is 97446452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25464479 - 2⁴ = 25464463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25464409) 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, 12732239 + 12732240.

It is an arithmetic number, because the mean of its divisors is an integer number (12732240).

Almost surely, 2^25464479 is an apocalyptic number.

25464479 is a deficient number, since it is larger than the sum of its proper divisors (1).

25464479 is an equidigital number, since it uses as much as digits as its factorization.

25464479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 25464479 is about 5046.2341404259. The cubic root of 25464479 is about 294.2015331915.

The spelling of 25464479 in words is "twenty-five million, four hundred sixty-four thousand, four hundred seventy-nine".