35616521 has 4 divisors (see below), whose sum is σ = 35852544. Its totient is φ = 35380500.

The previous prime is 35616499. The next prime is 35616541. The reversal of 35616521 is 12561653.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 35616521 - 2¹⁸ = 35354377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35616541) 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, 117785 + ... + 118086.

It is an arithmetic number, because the mean of its divisors is an integer number (8963136).

Almost surely, 2^35616521 is an apocalyptic number.

It is an amenable number.

35616521 is a deficient number, since it is larger than the sum of its proper divisors (236023).

35616521 is a wasteful number, since it uses less digits than its factorization.

35616521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236022.

The product of its digits is 5400, while the sum is 29.

The square root of 35616521 is about 5967.9578584303. The cubic root of 35616521 is about 329.0161114051.

It can be divided in two parts, 3561652 and 1, that added together give a palindrome (3561653).

The spelling of 35616521 in words is "thirty-five million, six hundred sixteen thousand, five hundred twenty-one".