25612030603 has 4 divisors (see below), whose sum is σ = 25615865128. Its totient is φ = 25608196080.

The previous prime is 25612030579. The next prime is 25612030637. The reversal of 25612030603 is 30603021652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25612030603 - 2¹³ = 25612022411 is a prime.

It is a super-2 number, since 2×25612030603² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25612030643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907226 + ... + 1920607.

It is an arithmetic number, because the mean of its divisors is an integer number (6403966282).

Almost surely, 2^25612030603 is an apocalyptic number.

25612030603 is a deficient number, since it is larger than the sum of its proper divisors (3834525).

25612030603 is an equidigital number, since it uses as much as digits as its factorization.

25612030603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834524.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 25612030603 in words is "twenty-five billion, six hundred twelve million, thirty thousand, six hundred three".