2345961 has 4 divisors (see below), whose sum is σ = 3127952. Its totient is φ = 1563972.

The previous prime is 2345957. The next prime is 2345963. The reversal of 2345961 is 1695432.

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 2345961 - 2² = 2345957 is a prime.

It is a D-number.

It is a Duffinian number.

2345961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2345963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390991 + ... + 390996.

It is an arithmetic number, because the mean of its divisors is an integer number (781988).

2^2345961 is an apocalyptic number.

It is an amenable number.

2345961 is a deficient number, since it is larger than the sum of its proper divisors (781991).

2345961 is an equidigital number, since it uses as much as digits as its factorization.

2345961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781990.

The product of its digits is 6480, while the sum is 30.

The square root of 2345961 is about 1531.6530285936. The cubic root of 2345961 is about 132.8740775863.

The spelling of 2345961 in words is "two million, three hundred forty-five thousand, nine hundred sixty-one".