2365381 has 2 divisors, whose sum is σ = 2365382. Its totient is φ = 2365380.

The previous prime is 2365357. The next prime is 2365399. The reversal of 2365381 is 1835632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2149156 + 216225 = 1466^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 2365381 - 2¹³ = 2357189 is a prime.

It is a super-2 number, since 2×2365381² = 11190054550322, which contains 22 as substring.

2365381 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2365351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1182690 + 1182691.

It is an arithmetic number, because the mean of its divisors is an integer number (1182691).

2^2365381 is an apocalyptic number.

It is an amenable number.

2365381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2365381 is an equidigital number, since it uses as much as digits as its factorization.

2365381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 2365381 is about 1537.9795187193. The cubic root of 2365381 is about 133.2397169240.

The spelling of 2365381 in words is "two million, three hundred sixty-five thousand, three hundred eighty-one".