25050405 has 16 divisors (see below), whose sum is σ = 40438080. Its totient is φ = 13241088.

The previous prime is 25050383. The next prime is 25050407. The reversal of 25050405 is 50405052.

It is not a de Polignac number, because 25050405 - 2⁵ = 25050373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25050407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5695 + ... + 9084.

It is an arithmetic number, because the mean of its divisors is an integer number (2527380).

Almost surely, 2^25050405 is an apocalyptic number.

It is an amenable number.

25050405 is a deficient number, since it is larger than the sum of its proper divisors (15387675).

25050405 is a wasteful number, since it uses less digits than its factorization.

25050405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14900.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 25050405 is about 5005.0379618940. The cubic root of 25050405 is about 292.5981553843.

Adding to 25050405 its reverse (50405052), we get a palindrome (75455457).

The spelling of 25050405 in words is "twenty-five million, fifty thousand, four hundred five".