52049213 has 4 divisors (see below), whose sum is σ = 53318748. Its totient is φ = 50779680.

The previous prime is 52049203. The next prime is 52049237. The reversal of 52049213 is 31294025.

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 27019204 + 25030009 = 5198^2 + 5003^2 .

It is a cyclic number.

It is not a de Polignac number, because 52049213 - 2⁶ = 52049149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52049203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634706 + ... + 634787.

It is an arithmetic number, because the mean of its divisors is an integer number (13329687).

Almost surely, 2^52049213 is an apocalyptic number.

It is an amenable number.

52049213 is a deficient number, since it is larger than the sum of its proper divisors (1269535).

52049213 is a wasteful number, since it uses less digits than its factorization.

52049213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269534.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 52049213 is about 7214.5140515491. The cubic root of 52049213 is about 373.3688273191.

The spelling of 52049213 in words is "fifty-two million, forty-nine thousand, two hundred thirteen".