7635213 has 12 divisors (see below), whose sum is σ = 11074908. Its totient is φ = 5068800.

The previous prime is 7635191. The next prime is 7635217. The reversal of 7635213 is 3125367.

It is a happy number.

7635213 is a `hidden beast` number, since 7 + 635 + 21 + 3 = 666.

7635213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5116644 + 2518569 = 2262^2 + 1587^2 .

It is not a de Polignac number, because 7635213 - 2⁵ = 7635181 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7635217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663 + ... + 3963.

It is an arithmetic number, because the mean of its divisors is an integer number (922909).

Almost surely, 2^7635213 is an apocalyptic number.

It is an amenable number.

7635213 is a deficient number, since it is larger than the sum of its proper divisors (3439695).

7635213 is a wasteful number, since it uses less digits than its factorization.

7635213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564 (or 3561 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 7635213 is about 2763.1889186228. The cubic root of 7635213 is about 196.9126963342.

The spelling of 7635213 in words is "seven million, six hundred thirty-five thousand, two hundred thirteen".