7022513 has 4 divisors (see below), whose sum is σ = 7435620. Its totient is φ = 6609408.

The previous prime is 7022507. The next prime is 7022531. The reversal of 7022513 is 3152207.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5234944 + 1787569 = 2288^2 + 1337^2 .

It is a cyclic number.

It is not a de Polignac number, because 7022513 - 2¹⁰ = 7021489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7022573) 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, 206528 + ... + 206561.

It is an arithmetic number, because the mean of its divisors is an integer number (1858905).

Almost surely, 2^7022513 is an apocalyptic number.

It is an amenable number.

7022513 is a deficient number, since it is larger than the sum of its proper divisors (413107).

7022513 is a wasteful number, since it uses less digits than its factorization.

7022513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413106.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 7022513 is about 2650.0024528291. The cubic root of 7022513 is about 191.4979741507.

The spelling of 7022513 in words is "seven million, twenty-two thousand, five hundred thirteen".