36575421 has 4 divisors (see below), whose sum is σ = 48767232. Its totient is φ = 24383612.

The previous prime is 36575419. The next prime is 36575423. The reversal of 36575421 is 12457563.

36575421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (36575419) and next prime (36575423).

It is a cyclic number.

It is not a de Polignac number, because 36575421 - 2¹ = 36575419 is a prime.

It is a super-2 number, since 2×36575421² = 2675522842654482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36575423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6095901 + ... + 6095906.

It is an arithmetic number, because the mean of its divisors is an integer number (12191808).

Almost surely, 2^36575421 is an apocalyptic number.

It is an amenable number.

36575421 is a deficient number, since it is larger than the sum of its proper divisors (12191811).

36575421 is a wasteful number, since it uses less digits than its factorization.

36575421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12191810.

The product of its digits is 25200, while the sum is 33.

The square root of 36575421 is about 6047.7616520495. The cubic root of 36575421 is about 331.9426916373.

The spelling of 36575421 in words is "thirty-six million, five hundred seventy-five thousand, four hundred twenty-one".