26020451 has 4 divisors (see below), whose sum is σ = 26109552. Its totient is φ = 25931352.

The previous prime is 26020447. The next prime is 26020457. The reversal of 26020451 is 15402062.

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 26020451 - 2² = 26020447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26020457) 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, 44111 + ... + 44696.

It is an arithmetic number, because the mean of its divisors is an integer number (6527388).

Almost surely, 2^26020451 is an apocalyptic number.

26020451 is a deficient number, since it is larger than the sum of its proper divisors (89101).

26020451 is an equidigital number, since it uses as much as digits as its factorization.

26020451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89100.

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

The square root of 26020451 is about 5101.0245049402. The cubic root of 26020451 is about 296.3272608521.

The spelling of 26020451 in words is "twenty-six million, twenty thousand, four hundred fifty-one".