494648531 has 8 divisors (see below), whose sum is σ = 534437904. Its totient is φ = 455107680.

The previous prime is 494648521. The next prime is 494648569. The reversal of 494648531 is 135846494.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494648531 is a prime.

It is a super-2 number, since 2×494648531² = 489354338440915922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (494648521) 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, 57980 + ... + 65961.

It is an arithmetic number, because the mean of its divisors is an integer number (66804738).

Almost surely, 2^494648531 is an apocalyptic number.

494648531 is a deficient number, since it is larger than the sum of its proper divisors (39789373).

494648531 is a wasteful number, since it uses less digits than its factorization.

494648531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124261.

The product of its digits is 414720, while the sum is 44.

The square root of 494648531 is about 22240.6953803158. The cubic root of 494648531 is about 790.8587206783.

The spelling of 494648531 in words is "four hundred ninety-four million, six hundred forty-eight thousand, five hundred thirty-one".