25240065 has 8 divisors (see below), whose sum is σ = 40384128. Its totient is φ = 13461360.

The previous prime is 25240057. The next prime is 25240067. The reversal of 25240065 is 56004252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25240065 - 2³ = 25240057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25240067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841321 + ... + 841350.

It is an arithmetic number, because the mean of its divisors is an integer number (5048016).

Almost surely, 2^25240065 is an apocalyptic number.

It is an amenable number.

25240065 is a deficient number, since it is larger than the sum of its proper divisors (15144063).

25240065 is a wasteful number, since it uses less digits than its factorization.

25240065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682679.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 25240065 is about 5023.9491438509. The cubic root of 25240065 is about 293.3347329766.

The spelling of 25240065 in words is "twenty-five million, two hundred forty thousand, sixty-five".