25100263403 has 2 divisors, whose sum is σ = 25100263404. Its totient is φ = 25100263402.

The previous prime is 25100263361. The next prime is 25100263417. The reversal of 25100263403 is 30436200152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25100263403 - 2¹⁸ = 25100001259 is a prime.

It is a super-2 number, since 2×25100263403² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25100263453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12550131701 + 12550131702.

It is an arithmetic number, because the mean of its divisors is an integer number (12550131702).

Almost surely, 2^25100263403 is an apocalyptic number.

25100263403 is a deficient number, since it is larger than the sum of its proper divisors (1).

25100263403 is an equidigital number, since it uses as much as digits as its factorization.

25100263403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 25100263403 its reverse (30436200152), we get a palindrome (55536463555).

The spelling of 25100263403 in words is "twenty-five billion, one hundred million, two hundred sixty-three thousand, four hundred three".