2351361 has 4 divisors (see below), whose sum is σ = 3135152. Its totient is φ = 1567572.

The previous prime is 2351357. The next prime is 2351441. The reversal of 2351361 is 1631532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2351361 - 2² = 2351357 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

2351361 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2351351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391891 + ... + 391896.

It is an arithmetic number, because the mean of its divisors is an integer number (783788).

2^2351361 is an apocalyptic number.

It is an amenable number.

2351361 is a deficient number, since it is larger than the sum of its proper divisors (783791).

2351361 is an equidigital number, since it uses as much as digits as its factorization.

2351361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783790.

The product of its digits is 540, while the sum is 21.

The square root of 2351361 is about 1533.4148166755. The cubic root of 2351361 is about 132.9759505765.

Adding to 2351361 its reverse (1631532), we get a palindrome (3982893).

It can be divided in two parts, 235 and 1361, that added together give a triangular number (1596 = T₅₆).

The spelling of 2351361 in words is "two million, three hundred fifty-one thousand, three hundred sixty-one".