26245921 has 16 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 22777920.

The previous prime is 26245907. The next prime is 26245927. The reversal of 26245921 is 12954262.

It is a cyclic number.

It is not a de Polignac number, because 26245921 - 2⁵ = 26245889 is a prime.

It is a super-3 number, since 3×26245921³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26245927) 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 15 ways as a sum of consecutive naturals, for example, 17520 + ... + 18958.

It is an arithmetic number, because the mean of its divisors is an integer number (1874880).

Almost surely, 2^26245921 is an apocalyptic number.

It is an amenable number.

26245921 is a deficient number, since it is larger than the sum of its proper divisors (3752159).

26245921 is a wasteful number, since it uses less digits than its factorization.

26245921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536.

The product of its digits is 8640, while the sum is 31.

The square root of 26245921 is about 5123.0772978748. The cubic root of 26245921 is about 297.1807030264.

The spelling of 26245921 in words is "twenty-six million, two hundred forty-five thousand, nine hundred twenty-one".