52840319 has 4 divisors (see below), whose sum is σ = 60388944. Its totient is φ = 45291696.

The previous prime is 52840313. The next prime is 52840331. The reversal of 52840319 is 91304825.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52840319 is a prime.

It is a super-2 number, since 2×52840319² = 5584198624043522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52840313) 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, 3774302 + ... + 3774315.

It is an arithmetic number, because the mean of its divisors is an integer number (15097236).

Almost surely, 2^52840319 is an apocalyptic number.

52840319 is a deficient number, since it is larger than the sum of its proper divisors (7548625).

52840319 is an equidigital number, since it uses as much as digits as its factorization.

52840319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7548624.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 52840319 is about 7269.1346802766. The cubic root of 52840319 is about 375.2509585339.

The spelling of 52840319 in words is "fifty-two million, eight hundred forty thousand, three hundred nineteen".