25380659 has 4 divisors (see below), whose sum is σ = 25508400. Its totient is φ = 25252920.

The previous prime is 25380647. The next prime is 25380671. The reversal of 25380659 is 95608352.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25380647) and next prime (25380671).

It is a cyclic number.

It is not a de Polignac number, because 25380659 - 2⁸ = 25380403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25380689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63572 + ... + 63969.

It is an arithmetic number, because the mean of its divisors is an integer number (6377100).

Almost surely, 2^25380659 is an apocalyptic number.

25380659 is a deficient number, since it is larger than the sum of its proper divisors (127741).

25380659 is a wasteful number, since it uses less digits than its factorization.

25380659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127740.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 25380659 is about 5037.9220914976. The cubic root of 25380659 is about 293.8783761200.

The spelling of 25380659 in words is "twenty-five million, three hundred eighty thousand, six hundred fifty-nine".