26425603 has 4 divisors (see below), whose sum is σ = 26448808. Its totient is φ = 26402400.

The previous prime is 26425601. The next prime is 26425657. The reversal of 26425603 is 30652462.

It is a happy number.

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 26425603 - 2¹ = 26425601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26425601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9801 + ... + 12202.

It is an arithmetic number, because the mean of its divisors is an integer number (6612202).

Almost surely, 2^26425603 is an apocalyptic number.

26425603 is a deficient number, since it is larger than the sum of its proper divisors (23205).

26425603 is a wasteful number, since it uses less digits than its factorization.

26425603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23204.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 26425603 is about 5140.5839162492. The cubic root of 26425603 is about 297.8573367848.

It can be divided in two parts, 26425 and 603, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 26425603 in words is "twenty-six million, four hundred twenty-five thousand, six hundred three".