25205063 has 4 divisors (see below), whose sum is σ = 27143928. Its totient is φ = 23266200.

The previous prime is 25205057. The next prime is 25205083. The reversal of 25205063 is 36050252.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25205063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25205023) 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, 969413 + ... + 969438.

It is an arithmetic number, because the mean of its divisors is an integer number (6785982).

Almost surely, 2^25205063 is an apocalyptic number.

25205063 is a deficient number, since it is larger than the sum of its proper divisors (1938865).

25205063 is a wasteful number, since it uses less digits than its factorization.

25205063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938864.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 25205063 is about 5020.4644207483. The cubic root of 25205063 is about 293.1990749518.

The spelling of 25205063 in words is "twenty-five million, two hundred five thousand, sixty-three".