25250203 has 4 divisors (see below), whose sum is σ = 27545688. Its totient is φ = 22954720.

The previous prime is 25250179. The next prime is 25250209. The reversal of 25250203 is 30205252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25250203 - 2¹³ = 25242011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25250209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147726 + ... + 1147747.

It is an arithmetic number, because the mean of its divisors is an integer number (6886422).

Almost surely, 2^25250203 is an apocalyptic number.

25250203 is a deficient number, since it is larger than the sum of its proper divisors (2295485).

25250203 is a wasteful number, since it uses less digits than its factorization.

25250203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295484.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 25250203 is about 5024.9580097748. The cubic root of 25250203 is about 293.3740016215.

Adding to 25250203 its reverse (30205252), we get a palindrome (55455455).

The spelling of 25250203 in words is "twenty-five million, two hundred fifty thousand, two hundred three".