52381519 has 2 divisors, whose sum is σ = 52381520. Its totient is φ = 52381518.

The previous prime is 52381513. The next prime is 52381523. The reversal of 52381519 is 91518325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52381519 - 2⁵ = 52381487 is a prime.

It is a super-2 number, since 2×52381519² = 5487647065494722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52381513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26190759 + 26190760.

It is an arithmetic number, because the mean of its divisors is an integer number (26190760).

Almost surely, 2^52381519 is an apocalyptic number.

52381519 is a deficient number, since it is larger than the sum of its proper divisors (1).

52381519 is an equidigital number, since it uses as much as digits as its factorization.

52381519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 34.

The square root of 52381519 is about 7237.5077892877. The cubic root of 52381519 is about 374.1617281229.

It can be divided in two parts, 52381 and 519, that added together give a square (52900 = 230²).

The spelling of 52381519 in words is "fifty-two million, three hundred eighty-one thousand, five hundred nineteen".