530472994 has 4 divisors (see below), whose sum is σ = 795709494. Its totient is φ = 265236496.

The previous prime is 530472977. The next prime is 530472997. The reversal of 530472994 is 499274035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 522716769 + 7756225 = 22863^2 + 2785^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 530472994.

It is not an unprimeable number, because it can be changed into a prime (530472997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132618247 + ... + 132618250.

Almost surely, 2^530472994 is an apocalyptic number.

530472994 is a deficient number, since it is larger than the sum of its proper divisors (265236500).

530472994 is a wasteful number, since it uses less digits than its factorization.

530472994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265236499.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 530472994 is about 23031.9993487322. Note that the first 3 decimals coincide. The cubic root of 530472994 is about 809.5079031001.

The spelling of 530472994 in words is "five hundred thirty million, four hundred seventy-two thousand, nine hundred ninety-four".