36035621 has 4 divisors (see below), whose sum is σ = 36064992. Its totient is φ = 36006252.

The previous prime is 36035617. The next prime is 36035653. The reversal of 36035621 is 12653063.

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 36035621 - 2² = 36035617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36035221) 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, 12761 + ... + 15326.

It is an arithmetic number, because the mean of its divisors is an integer number (9016248).

Almost surely, 2^36035621 is an apocalyptic number.

It is an amenable number.

36035621 is a deficient number, since it is larger than the sum of its proper divisors (29371).

36035621 is a wasteful number, since it uses less digits than its factorization.

36035621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29370.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 36035621 is about 6002.9676827383. The cubic root of 36035621 is about 330.3015944993.

Adding to 36035621 its reverse (12653063), we get a palindrome (48688684).

The spelling of 36035621 in words is "thirty-six million, thirty-five thousand, six hundred twenty-one".