25287003 has 12 divisors (see below), whose sum is σ = 41743728. Its totient is φ = 14449680.

The previous prime is 25286999. The next prime is 25287011. The reversal of 25287003 is 30078252.

It is not a de Polignac number, because 25287003 - 2² = 25286999 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25287023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200628 + ... + 200753.

It is an arithmetic number, because the mean of its divisors is an integer number (3478644).

Almost surely, 2^25287003 is an apocalyptic number.

25287003 is a deficient number, since it is larger than the sum of its proper divisors (16456725).

25287003 is a wasteful number, since it uses less digits than its factorization.

25287003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401394 (or 401391 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 25287003 is about 5028.6183987254. The cubic root of 25287003 is about 293.5164549010.

The spelling of 25287003 in words is "twenty-five million, two hundred eighty-seven thousand, three".