25085403 has 48 divisors (see below), whose sum is σ = 44031360. Its totient is φ = 14070672.

The previous prime is 25085393. The next prime is 25085407. The reversal of 25085403 is 30458052.

25085403 is a `hidden beast` number, since 250 + 8 + 5 + 403 = 666.

It is not a de Polignac number, because 25085403 - 2¹⁶ = 25019867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25085407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88500 + ... + 88782.

It is an arithmetic number, because the mean of its divisors is an integer number (917320).

Almost surely, 2^25085403 is an apocalyptic number.

25085403 is a deficient number, since it is larger than the sum of its proper divisors (18945957).

25085403 is a wasteful number, since it uses less digits than its factorization.

25085403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 25085403 is about 5008.5330187591. The cubic root of 25085403 is about 292.7343552448.

The spelling of 25085403 in words is "twenty-five million, eighty-five thousand, four hundred three".