36521459 has 4 divisors (see below), whose sum is σ = 39330816. Its totient is φ = 33712104.

The previous prime is 36521437. The next prime is 36521467. The reversal of 36521459 is 95412563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95412563 = 3343 ⋅28541.

It is a cyclic number.

It is not a de Polignac number, because 36521459 - 2⁸ = 36521203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36521489) 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, 1404659 + ... + 1404684.

It is an arithmetic number, because the mean of its divisors is an integer number (9832704).

Almost surely, 2^36521459 is an apocalyptic number.

36521459 is a deficient number, since it is larger than the sum of its proper divisors (2809357).

36521459 is a wasteful number, since it uses less digits than its factorization.

36521459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809356.

The product of its digits is 32400, while the sum is 35.

The square root of 36521459 is about 6043.2986853208. The cubic root of 36521459 is about 331.7793660368.

The spelling of 36521459 in words is "thirty-six million, five hundred twenty-one thousand, four hundred fifty-nine".