501082493 has 4 divisors (see below), whose sum is σ = 501175488. Its totient is φ = 500989500.

The previous prime is 501082489. The next prime is 501082499. The reversal of 501082493 is 394280105.

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, and also an emirpimes, since its reverse is a distinct semiprime: 394280105 = 5 ⋅78856021.

It is a cyclic number.

It is not a de Polignac number, because 501082493 - 2² = 501082489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501082499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37883 + ... + 49368.

It is an arithmetic number, because the mean of its divisors is an integer number (125293872).

Almost surely, 2^501082493 is an apocalyptic number.

It is an amenable number.

501082493 is a deficient number, since it is larger than the sum of its proper divisors (92995).

501082493 is an equidigital number, since it uses as much as digits as its factorization.

501082493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92994.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 501082493 is about 22384.8719674695. The cubic root of 501082493 is about 794.2728966334.

The spelling of 501082493 in words is "five hundred one million, eighty-two thousand, four hundred ninety-three".