26140651 has 4 divisors (see below), whose sum is σ = 26156304. Its totient is φ = 26125000.

The previous prime is 26140649. The next prime is 26140661. The reversal of 26140651 is 15604162.

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 26140651 - 2¹ = 26140649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26140661) 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, 4975 + ... + 8776.

It is an arithmetic number, because the mean of its divisors is an integer number (6539076).

Almost surely, 2^26140651 is an apocalyptic number.

26140651 is a deficient number, since it is larger than the sum of its proper divisors (15653).

26140651 is a wasteful number, since it uses less digits than its factorization.

26140651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15652.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 26140651 is about 5112.7928766966. The cubic root of 26140651 is about 296.7828490500.

The spelling of 26140651 in words is "twenty-six million, one hundred forty thousand, six hundred fifty-one".