2157363 has 12 divisors (see below), whose sum is σ = 3356080. Its totient is φ = 1327536.

The previous prime is 2157361. The next prime is 2157391. The reversal of 2157363 is 3637512.

It is a happy number.

2157363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2157363 - 2¹ = 2157361 is a prime.

It is a super-2 number, since 2×2157363² = 9308430227538, which contains 22 as substring.

2157363 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2157361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9103 + ... + 9336.

2^2157363 is an apocalyptic number.

2157363 is a deficient number, since it is larger than the sum of its proper divisors (1198717).

2157363 is a wasteful number, since it uses less digits than its factorization.

2157363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18458 (or 18455 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 2157363 is about 1468.7964460741. The cubic root of 2157363 is about 129.2134558667.

The spelling of 2157363 in words is "two million, one hundred fifty-seven thousand, three hundred sixty-three".