492589445 has 4 divisors (see below), whose sum is σ = 591107340. Its totient is φ = 394071552.

The previous prime is 492589441. The next prime is 492589463. The reversal of 492589445 is 544985294.

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 214300321 + 278289124 = 14639^2 + 16682^2 .

It is a cyclic number.

It is not a de Polignac number, because 492589445 - 2² = 492589441 is a prime.

It is a super-2 number, since 2×492589445² = 485288722650816050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 492589393 and 492589402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492589441) 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, 49258940 + ... + 49258949.

It is an arithmetic number, because the mean of its divisors is an integer number (147776835).

Almost surely, 2^492589445 is an apocalyptic number.

It is an amenable number.

492589445 is a deficient number, since it is larger than the sum of its proper divisors (98517895).

492589445 is an equidigital number, since it uses as much as digits as its factorization.

492589445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98517894.

The product of its digits is 2073600, while the sum is 50.

The square root of 492589445 is about 22194.3561519590. The cubic root of 492589445 is about 789.7598185629.

The spelling of 492589445 in words is "four hundred ninety-two million, five hundred eighty-nine thousand, four hundred forty-five".