26513245 has 16 divisors (see below), whose sum is σ = 34898688. Its totient is φ = 19176640.

The previous prime is 26513237. The next prime is 26513257. The reversal of 26513245 is 54231562.

It is not a de Polignac number, because 26513245 - 2³ = 26513237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9612 + ... + 12058.

It is an arithmetic number, because the mean of its divisors is an integer number (2181168).

Almost surely, 2^26513245 is an apocalyptic number.

It is an amenable number.

26513245 is a deficient number, since it is larger than the sum of its proper divisors (8385443).

26513245 is a wasteful number, since it uses less digits than its factorization.

26513245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660.

The product of its digits is 7200, while the sum is 28.

The square root of 26513245 is about 5149.1013779105. The cubic root of 26513245 is about 298.1862602964.

It can be divided in two parts, 265 and 13245, that multiplied together give a triangular number (3509925 = T₂₆₄₉).

The spelling of 26513245 in words is "twenty-six million, five hundred thirteen thousand, two hundred forty-five".