36521426 has 4 divisors (see below), whose sum is σ = 54782142. Its totient is φ = 18260712.

The previous prime is 36521383. The next prime is 36521437. The reversal of 36521426 is 62412563.

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

It can be written as a sum of positive squares in only one way, i.e., 32501401 + 4020025 = 5701^2 + 2005^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9130355 + ... + 9130358.

Almost surely, 2^36521426 is an apocalyptic number.

36521426 is a deficient number, since it is larger than the sum of its proper divisors (18260716).

36521426 is a wasteful number, since it uses less digits than its factorization.

36521426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18260715.

The product of its digits is 8640, while the sum is 29.

The square root of 36521426 is about 6043.2959550232. The cubic root of 36521426 is about 331.7792661072.

Adding to 36521426 its reverse (62412563), we get a palindrome (98933989).

The spelling of 36521426 in words is "thirty-six million, five hundred twenty-one thousand, four hundred twenty-six".