52813919 has 2 divisors, whose sum is σ = 52813920. Its totient is φ = 52813918.

The previous prime is 52813903. The next prime is 52813921. The reversal of 52813919 is 91931825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52813919 - 2⁴ = 52813903 is a prime.

It is a super-2 number, since 2×52813919² = 5578620080277122, which contains 22 as substring.

Together with 52813921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52843919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26406959 + 26406960.

It is an arithmetic number, because the mean of its divisors is an integer number (26406960).

Almost surely, 2^52813919 is an apocalyptic number.

52813919 is a deficient number, since it is larger than the sum of its proper divisors (1).

52813919 is an equidigital number, since it uses as much as digits as its factorization.

52813919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 38.

The square root of 52813919 is about 7267.3185563865. The cubic root of 52813919 is about 375.1884540184.

The spelling of 52813919 in words is "fifty-two million, eight hundred thirteen thousand, nine hundred nineteen".