752523161 has 8 divisors (see below), whose sum is σ = 817582920. Its totient is φ = 688488192.

The previous prime is 752523151. The next prime is 752523169. The reversal of 752523161 is 161325257.

It can be written as a sum of positive squares in 4 ways, for example, as 4227136 + 748296025 = 2056^2 + 27355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 752523161 - 2¹⁸ = 752261017 is a prime.

It is a super-2 number, since 2×752523161² = 1132582215682863842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (752523169) 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 7 ways as a sum of consecutive naturals, for example, 254666 + ... + 257603.

It is an arithmetic number, because the mean of its divisors is an integer number (102197865).

Almost surely, 2^752523161 is an apocalyptic number.

It is an amenable number.

752523161 is a deficient number, since it is larger than the sum of its proper divisors (65059759).

752523161 is a wasteful number, since it uses less digits than its factorization.

752523161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512395.

The product of its digits is 12600, while the sum is 32.

The square root of 752523161 is about 27432.1556025042. The cubic root of 752523161 is about 909.5780199460.

The spelling of 752523161 in words is "seven hundred fifty-two million, five hundred twenty-three thousand, one hundred sixty-one".