25055403 has 16 divisors (see below), whose sum is σ = 34329600. Its totient is φ = 16248960.

The previous prime is 25055389. The next prime is 25055413. The reversal of 25055403 is 30455052.

It is not a de Polignac number, because 25055403 - 2⁶ = 25055339 is a prime.

It is a super-3 number, since 3×25055403³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25055413) 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, 16083 + ... + 17571.

It is an arithmetic number, because the mean of its divisors is an integer number (2145600).

Almost surely, 2^25055403 is an apocalyptic number.

25055403 is a deficient number, since it is larger than the sum of its proper divisors (9274197).

25055403 is a wasteful number, since it uses less digits than its factorization.

25055403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 25055403 is about 5005.5372339041. The cubic root of 25055403 is about 292.6176135971.

The spelling of 25055403 in words is "twenty-five million, fifty-five thousand, four hundred three".