25047403 has 2 divisors, whose sum is σ = 25047404. Its totient is φ = 25047402.

The previous prime is 25047361. The next prime is 25047413. The reversal of 25047403 is 30474052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25047403 is a prime.

It is not a weakly prime, because it can be changed into another prime (25047413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12523701 + 12523702.

It is an arithmetic number, because the mean of its divisors is an integer number (12523702).

Almost surely, 2^25047403 is an apocalyptic number.

25047403 is a deficient number, since it is larger than the sum of its proper divisors (1).

25047403 is an equidigital number, since it uses as much as digits as its factorization.

25047403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 25047403 is about 5004.7380550834. The cubic root of 25047403 is about 292.5864667542.

It can be divided in two parts, 2 and 5047403, that added together give a palindrome (5047405).

The spelling of 25047403 in words is "twenty-five million, forty-seven thousand, four hundred three".