25070203 has 4 divisors (see below), whose sum is σ = 25210440. Its totient is φ = 24929968.

The previous prime is 25070197. The next prime is 25070209. The reversal of 25070203 is 30207052.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (25070197) and next prime (25070209).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25070203 is a prime.

It is a super-2 number, since 2×25070203² = 1257030156922418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25070209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69850 + ... + 70207.

It is an arithmetic number, because the mean of its divisors is an integer number (6302610).

Almost surely, 2^25070203 is an apocalyptic number.

25070203 is a deficient number, since it is larger than the sum of its proper divisors (140237).

25070203 is a wasteful number, since it uses less digits than its factorization.

25070203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140236.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 25070203 is about 5007.0153784465. The cubic root of 25070203 is about 292.6752177827.

Adding to 25070203 its reverse (30207052), we get a palindrome (55277255).

The spelling of 25070203 in words is "twenty-five million, seventy thousand, two hundred three".