26230515 has 32 divisors (see below), whose sum is σ = 43234560. Its totient is φ = 13574784.

The previous prime is 26230513. The next prime is 26230537. The reversal of 26230515 is 51503262.

It is not a de Polignac number, because 26230515 - 2¹ = 26230513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26230513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94557 + ... + 94833.

It is an arithmetic number, because the mean of its divisors is an integer number (1351080).

Almost surely, 2^26230515 is an apocalyptic number.

26230515 is a deficient number, since it is larger than the sum of its proper divisors (17004045).

26230515 is a wasteful number, since it uses less digits than its factorization.

26230515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 26230515 is about 5121.5734886849. The cubic root of 26230515 is about 297.1225446302.

Adding to 26230515 its reverse (51503262), we get a palindrome (77733777).

The spelling of 26230515 in words is "twenty-six million, two hundred thirty thousand, five hundred fifteen".