25828603 has 2 divisors, whose sum is σ = 25828604. Its totient is φ = 25828602.

The previous prime is 25828597. The next prime is 25828613. The reversal of 25828603 is 30682852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25828603 - 2²¹ = 23731451 is a prime.

It is not a weakly prime, because it can be changed into another prime (25828613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12914301 + 12914302.

It is an arithmetic number, because the mean of its divisors is an integer number (12914302).

Almost surely, 2^25828603 is an apocalyptic number.

25828603 is a deficient number, since it is larger than the sum of its proper divisors (1).

25828603 is an equidigital number, since it uses as much as digits as its factorization.

25828603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 25828603 is about 5082.1848647998. The cubic root of 25828603 is about 295.5971929947.

It can be divided in two parts, 2 and 5828603, that multiplied together give a triangular number (11657206 = T₄₈₂₈).

The spelling of 25828603 in words is "twenty-five million, eight hundred twenty-eight thousand, six hundred three".