26240051 has 4 divisors (see below), whose sum is σ = 26250600. Its totient is φ = 26229504.

The previous prime is 26240023. The next prime is 26240057. The reversal of 26240051 is 15004262.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26240051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26240057) 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, 755 + ... + 7283.

It is an arithmetic number, because the mean of its divisors is an integer number (6562650).

Almost surely, 2^26240051 is an apocalyptic number.

26240051 is a deficient number, since it is larger than the sum of its proper divisors (10549).

26240051 is an equidigital number, since it uses as much as digits as its factorization.

26240051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10548.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 26240051 is about 5122.5043679825. The cubic root of 26240051 is about 297.1585461765.

The spelling of 26240051 in words is "twenty-six million, two hundred forty thousand, fifty-one".