25415251303 has 16 divisors (see below), whose sum is σ = 27997634560. Its totient is φ = 22928010336.

The previous prime is 25415251297. The next prime is 25415251331. The reversal of 25415251303 is 30315251452.

It is a cyclic number.

It is not a de Polignac number, because 25415251303 - 2¹⁷ = 25415120231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25415251343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4263 + ... + 225496.

It is an arithmetic number, because the mean of its divisors is an integer number (1749852160).

Almost surely, 2^25415251303 is an apocalyptic number.

25415251303 is a deficient number, since it is larger than the sum of its proper divisors (2582383257).

25415251303 is a wasteful number, since it uses less digits than its factorization.

25415251303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229966.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 25415251303 in words is "twenty-five billion, four hundred fifteen million, two hundred fifty-one thousand, three hundred three".