26274545 has 24 divisors (see below), whose sum is σ = 35019432. Its totient is φ = 18909440.

The previous prime is 26274541. The next prime is 26274581. The reversal of 26274545 is 54547262.

It can be written as a sum of positive squares in 4 ways, for example, as 223729 + 26050816 = 473^2 + 5104^2 .

It is not a de Polignac number, because 26274545 - 2² = 26274541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26274541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82727 + ... + 83043.

It is an arithmetic number, because the mean of its divisors is an integer number (1459143).

Almost surely, 2^26274545 is an apocalyptic number.

It is an amenable number.

26274545 is a deficient number, since it is larger than the sum of its proper divisors (8744887).

26274545 is a wasteful number, since it uses less digits than its factorization.

26274545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 470 counting only the distinct ones).

The product of its digits is 67200, while the sum is 35.

The square root of 26274545 is about 5125.8701700297. The cubic root of 26274545 is about 297.2886996162.

The spelling of 26274545 in words is "twenty-six million, two hundred seventy-four thousand, five hundred forty-five".