25413903 has 24 divisors (see below), whose sum is σ = 38005968. Its totient is φ = 16353792.

The previous prime is 25413901. The next prime is 25413907. The reversal of 25413903 is 30931452.

It is not a de Polignac number, because 25413903 - 2¹ = 25413901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25413901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37201 + ... + 37877.

It is an arithmetic number, because the mean of its divisors is an integer number (1583582).

Almost surely, 2^25413903 is an apocalyptic number.

25413903 is a deficient number, since it is larger than the sum of its proper divisors (12592065).

25413903 is a wasteful number, since it uses less digits than its factorization.

25413903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 25413903 is about 5041.2203879616. The cubic root of 25413903 is about 294.0066290328.

The spelling of 25413903 in words is "twenty-five million, four hundred thirteen thousand, nine hundred three".