494517545 has 8 divisors (see below), whose sum is σ = 603149640. Its totient is φ = 389128320.

The previous prime is 494517497. The next prime is 494517547. The reversal of 494517545 is 545715494.

It can be written as a sum of positive squares in 4 ways, for example, as 37797904 + 456719641 = 6148^2 + 21371^2 .

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

It is not a de Polignac number, because 494517545 - 2⁶ = 494517481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 494517496 and 494517505.

It is not an unprimeable number, because it can be changed into a prime (494517547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810380 + ... + 810989.

It is an arithmetic number, because the mean of its divisors is an integer number (75393705).

Almost surely, 2^494517545 is an apocalyptic number.

It is an amenable number.

494517545 is a deficient number, since it is larger than the sum of its proper divisors (108632095).

494517545 is a wasteful number, since it uses less digits than its factorization.

494517545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621435.

The product of its digits is 504000, while the sum is 44.

The square root of 494517545 is about 22237.7504482805. The cubic root of 494517545 is about 790.7889064168.

The spelling of 494517545 in words is "four hundred ninety-four million, five hundred seventeen thousand, five hundred forty-five".