30522513 has 8 divisors (see below), whose sum is σ = 46510528. Its totient is φ = 17441424.

The previous prime is 30522487. The next prime is 30522523. The reversal of 30522513 is 31522503.

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

It is not a de Polignac number, because 30522513 - 2¹⁰ = 30521489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1453453 = 30522513 / (3 + 0 + 5 + 2 + 2 + 5 + 1 + 3).

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 30522513.

It is not an unprimeable number, because it can be changed into a prime (30522523) 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 7 ways as a sum of consecutive naturals, for example, 726706 + ... + 726747.

It is an arithmetic number, because the mean of its divisors is an integer number (5813816).

Almost surely, 2^30522513 is an apocalyptic number.

It is an amenable number.

30522513 is a deficient number, since it is larger than the sum of its proper divisors (15988015).

30522513 is a wasteful number, since it uses less digits than its factorization.

30522513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453463.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30522513 is about 5524.7183638625. The cubic root of 30522513 is about 312.5168434655.

It can be divided in two parts, 3052 and 2513, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 30522513 in words is "thirty million, five hundred twenty-two thousand, five hundred thirteen".