201260669 has 4 divisors (see below), whose sum is σ = 201319644. Its totient is φ = 201201696.

The previous prime is 201260651. The next prime is 201260681. The reversal of 201260669 is 966062102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31922500 + 169338169 = 5650^2 + 13013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201260669 is a prime.

It is a super-2 number, since 2×201260669² = 81011713772655122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201263669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24032 + ... + 31305.

It is an arithmetic number, because the mean of its divisors is an integer number (50329911).

Almost surely, 2^201260669 is an apocalyptic number.

It is an amenable number.

201260669 is a deficient number, since it is larger than the sum of its proper divisors (58975).

201260669 is an equidigital number, since it uses as much as digits as its factorization.

201260669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58974.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 201260669 is about 14186.6369869677. The cubic root of 201260669 is about 586.0297144286.

The spelling of 201260669 in words is "two hundred one million, two hundred sixty thousand, six hundred sixty-nine".