200164531 has 4 divisors (see below), whose sum is σ = 228759472. Its totient is φ = 171569592.

The previous prime is 200164529. The next prime is 200164571. The reversal of 200164531 is 135461002.

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

It is a cyclic number.

It is not a de Polignac number, because 200164531 - 2¹ = 200164529 is a prime.

It is a super-2 number, since 2×200164531² = 80131678940899922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200164571) 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, 14297460 + ... + 14297473.

It is an arithmetic number, because the mean of its divisors is an integer number (57189868).

Almost surely, 2^200164531 is an apocalyptic number.

200164531 is a deficient number, since it is larger than the sum of its proper divisors (28594941).

200164531 is an equidigital number, since it uses as much as digits as its factorization.

200164531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28594940.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 200164531 is about 14147.9514771574. The cubic root of 200164531 is about 584.9638675421.

The spelling of 200164531 in words is "two hundred million, one hundred sixty-four thousand, five hundred thirty-one".