906530513 has 4 divisors (see below), whose sum is σ = 1036034880. Its totient is φ = 777026148.

The previous prime is 906530477. The next prime is 906530539. The reversal of 906530513 is 315035609.

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.

It is a cyclic number.

It is not a de Polignac number, because 906530513 - 2¹² = 906526417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 906530513.

It is not an unprimeable number, because it can be changed into a prime (906530543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64752173 + ... + 64752186.

It is an arithmetic number, because the mean of its divisors is an integer number (259008720).

Almost surely, 2^906530513 is an apocalyptic number.

It is an amenable number.

906530513 is a deficient number, since it is larger than the sum of its proper divisors (129504367).

906530513 is a wasteful number, since it uses less digits than its factorization.

906530513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129504366.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 906530513 is about 30108.6451538424. The cubic root of 906530513 is about 967.8189964057.

The spelling of 906530513 in words is "nine hundred six million, five hundred thirty thousand, five hundred thirteen".