2351951 has 8 divisors (see below), whose sum is σ = 2743200. Its totient is φ = 2015664.

The previous prime is 2351941. The next prime is 2351963. The reversal of 2351951 is 1591532.

It is not a de Polignac number, because 2351951 - 2¹⁸ = 2089807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2351951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2351941) 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 7 ways as a sum of consecutive naturals, for example, 3086 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (342900).

2^2351951 is an apocalyptic number.

2351951 is a deficient number, since it is larger than the sum of its proper divisors (391249).

2351951 is an frugal number, since it uses more digits than its factorization.

2351951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6878 (or 6864 counting only the distinct ones).

The product of its digits is 1350, while the sum is 26.

The square root of 2351951 is about 1533.6071856900. The cubic root of 2351951 is about 132.9870716889.

The spelling of 2351951 in words is "two million, three hundred fifty-one thousand, nine hundred fifty-one".