501061393 has 4 divisors (see below), whose sum is σ = 572641600. Its totient is φ = 429481188.

The previous prime is 501061387. The next prime is 501061397. The reversal of 501061393 is 393160105.

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 501061393 - 2²⁵ = 467506961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501061397) 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, 35790093 + ... + 35790106.

It is an arithmetic number, because the mean of its divisors is an integer number (143160400).

Almost surely, 2^501061393 is an apocalyptic number.

It is an amenable number.

501061393 is a deficient number, since it is larger than the sum of its proper divisors (71580207).

501061393 is an equidigital number, since it uses as much as digits as its factorization.

501061393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71580206.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 501061393 is about 22384.4006620682. The cubic root of 501061393 is about 794.2617478415.

The spelling of 501061393 in words is "five hundred one million, sixty-one thousand, three hundred ninety-three".