26315001 has 24 divisors (see below), whose sum is σ = 39496704. Its totient is φ = 16865280.

The previous prime is 26314999. The next prime is 26315017. The reversal of 26315001 is 10051362.

It is not a de Polignac number, because 26315001 - 2¹ = 26314999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26315021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71520 + ... + 71886.

It is an arithmetic number, because the mean of its divisors is an integer number (1645696).

Almost surely, 2^26315001 is an apocalyptic number.

It is an amenable number.

26315001 is a deficient number, since it is larger than the sum of its proper divisors (13181703).

26315001 is a wasteful number, since it uses less digits than its factorization.

26315001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 26315001 is about 5129.8149089416. The cubic root of 26315001 is about 297.4412039257.

Adding to 26315001 its reverse (10051362), we get a palindrome (36366363).

The spelling of 26315001 in words is "twenty-six million, three hundred fifteen thousand, one".