25231402003 has 2 divisors, whose sum is σ = 25231402004. Its totient is φ = 25231402002.

The previous prime is 25231401977. The next prime is 25231402033. The reversal of 25231402003 is 30020413252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25231402003 is a prime.

It is not a weakly prime, because it can be changed into another prime (25231402033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12615701001 + 12615701002.

It is an arithmetic number, because the mean of its divisors is an integer number (12615701002).

Almost surely, 2^25231402003 is an apocalyptic number.

25231402003 is a deficient number, since it is larger than the sum of its proper divisors (1).

25231402003 is an equidigital number, since it uses as much as digits as its factorization.

25231402003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 25231402003 its reverse (30020413252), we get a palindrome (55251815255).

The spelling of 25231402003 in words is "twenty-five billion, two hundred thirty-one million, four hundred two thousand, three".