901743013 has 4 divisors (see below), whose sum is σ = 903075660. Its totient is φ = 900410368.

The previous prime is 901742999. The next prime is 901743041. The reversal of 901743013 is 310347109.

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 778577409 + 123165604 = 27903^2 + 11098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-901743013 is a prime.

It is a super-2 number, since 2×901743013² = 1626280922988636338, 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 (901743413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665308 + ... + 666661.

It is an arithmetic number, because the mean of its divisors is an integer number (225768915).

Almost surely, 2^901743013 is an apocalyptic number.

It is an amenable number.

901743013 is a deficient number, since it is larger than the sum of its proper divisors (1332647).

901743013 is a wasteful number, since it uses less digits than its factorization.

901743013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332646.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 901743013 is about 30029.0361650187. The cubic root of 901743013 is about 966.1122643568.

The spelling of 901743013 in words is "nine hundred one million, seven hundred forty-three thousand, thirteen".