25201415203 has 2 divisors, whose sum is σ = 25201415204. Its totient is φ = 25201415202.

The previous prime is 25201415177. The next prime is 25201415209. The reversal of 25201415203 is 30251410252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25201415203 is a prime.

It is a super-2 number, since 2×25201415203² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25201415209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12600707601 + 12600707602.

It is an arithmetic number, because the mean of its divisors is an integer number (12600707602).

Almost surely, 2^25201415203 is an apocalyptic number.

25201415203 is a deficient number, since it is larger than the sum of its proper divisors (1).

25201415203 is an equidigital number, since it uses as much as digits as its factorization.

25201415203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 25201415203 its reverse (30251410252), we get a palindrome (55452825455).

The spelling of 25201415203 in words is "twenty-five billion, two hundred one million, four hundred fifteen thousand, two hundred three".