752213285 has 4 divisors (see below), whose sum is σ = 902655948. Its totient is φ = 601770624.

The previous prime is 752213269. The next prime is 752213291. The reversal of 752213285 is 582312257.

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 540190564 + 212022721 = 23242^2 + 14561^2 .

It is a cyclic number.

It is not a de Polignac number, because 752213285 - 2⁴ = 752213269 is a prime.

It is a super-2 number, since 2×752213285² = 1131649652260982450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 75221324 + ... + 75221333.

It is an arithmetic number, because the mean of its divisors is an integer number (225663987).

Almost surely, 2^752213285 is an apocalyptic number.

It is an amenable number.

752213285 is a deficient number, since it is larger than the sum of its proper divisors (150442663).

752213285 is a wasteful number, since it uses less digits than its factorization.

752213285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150442662.

The product of its digits is 33600, while the sum is 35.

The square root of 752213285 is about 27426.5069777396. The cubic root of 752213285 is about 909.4531533151.

The spelling of 752213285 in words is "seven hundred fifty-two million, two hundred thirteen thousand, two hundred eighty-five".