25059939 has 4 divisors (see below), whose sum is σ = 33413256. Its totient is φ = 16706624.

The previous prime is 25059929. The next prime is 25059967. The reversal of 25059939 is 93995052.

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

It is a cyclic number.

It is not a de Polignac number, because 25059939 - 2²¹ = 22962787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25059939.

It is not an unprimeable number, because it can be changed into a prime (25059919) 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, 4176654 + ... + 4176659.

It is an arithmetic number, because the mean of its divisors is an integer number (8353314).

Almost surely, 2^25059939 is an apocalyptic number.

25059939 is a deficient number, since it is larger than the sum of its proper divisors (8353317).

25059939 is an equidigital number, since it uses as much as digits as its factorization.

25059939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8353316.

The product of its (nonzero) digits is 109350, while the sum is 42.

The square root of 25059939 is about 5005.9903116167. The cubic root of 25059939 is about 292.6352709118.

The spelling of 25059939 in words is "twenty-five million, fifty-nine thousand, nine hundred thirty-nine".