26315651 has 4 divisors (see below), whose sum is σ = 26576304. Its totient is φ = 26055000.

The previous prime is 26315633. The next prime is 26315669. The reversal of 26315651 is 15651362.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (26315633) and next prime (26315669).

It is a cyclic number.

It is not a de Polignac number, because 26315651 - 2⁶ = 26315587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26315671) 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, 130175 + ... + 130376.

It is an arithmetic number, because the mean of its divisors is an integer number (6644076).

Almost surely, 2^26315651 is an apocalyptic number.

26315651 is a deficient number, since it is larger than the sum of its proper divisors (260653).

26315651 is a wasteful number, since it uses less digits than its factorization.

26315651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260652.

The product of its digits is 5400, while the sum is 29.

The square root of 26315651 is about 5129.8782636628. The cubic root of 26315651 is about 297.4436529115.

The spelling of 26315651 in words is "twenty-six million, three hundred fifteen thousand, six hundred fifty-one".