2345957 has 2 divisors, whose sum is σ = 2345958. Its totient is φ = 2345956.

The previous prime is 2345953. The next prime is 2345963. The reversal of 2345957 is 7595432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2033476 + 312481 = 1426^2 + 559^2 .

It is a cyclic number.

It is not a de Polignac number, because 2345957 - 2² = 2345953 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 3¹⁰ + 4⁸ + 5 + 9⁴ + 5 + 7⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2345953) 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 as a sum of consecutive naturals, namely, 1172978 + 1172979.

It is an arithmetic number, because the mean of its divisors is an integer number (1172979).

2^2345957 is an apocalyptic number.

It is an amenable number.

2345957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345957 is an equidigital number, since it uses as much as digits as its factorization.

2345957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 2345957 is about 1531.6517228143. The cubic root of 2345957 is about 132.8740020669.

The spelling of 2345957 in words is "two million, three hundred forty-five thousand, nine hundred fifty-seven".