52361381 has 2 divisors, whose sum is σ = 52361382. Its totient is φ = 52361380.

The previous prime is 52361369. The next prime is 52361399. The reversal of 52361381 is 18316325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52330756 + 30625 = 7234^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 52361381 - 2¹⁴ = 52344997 is a prime.

It is a super-2 number, since 2×52361381² = 5483428440454322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52361341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26180690 + 26180691.

It is an arithmetic number, because the mean of its divisors is an integer number (26180691).

Almost surely, 2^52361381 is an apocalyptic number.

It is an amenable number.

52361381 is a deficient number, since it is larger than the sum of its proper divisors (1).

52361381 is an equidigital number, since it uses as much as digits as its factorization.

52361381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 52361381 is about 7236.1164307935. The cubic root of 52361381 is about 374.1137733301.

The spelling of 52361381 in words is "fifty-two million, three hundred sixty-one thousand, three hundred eighty-one".