901782313 has 4 divisors (see below), whose sum is σ = 949244560. Its totient is φ = 854320068.

The previous prime is 901782311. The next prime is 901782319. The reversal of 901782313 is 313287109.

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 901782313 - 2¹ = 901782311 is a prime.

It is a super-2 number, since 2×901782313² = 1626422680079259938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (901782311) 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, 23731095 + ... + 23731132.

It is an arithmetic number, because the mean of its divisors is an integer number (237311140).

Almost surely, 2^901782313 is an apocalyptic number.

It is an amenable number.

901782313 is a deficient number, since it is larger than the sum of its proper divisors (47462247).

901782313 is a wasteful number, since it uses less digits than its factorization.

901782313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47462246.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 901782313 is about 30029.6905245459. The cubic root of 901782313 is about 966.1262992720.

The spelling of 901782313 in words is "nine hundred one million, seven hundred eighty-two thousand, three hundred thirteen".