1345957 has 2 divisors, whose sum is σ = 1345958. Its totient is φ = 1345956.

The previous prime is 1345951. The next prime is 1345973. The reversal of 1345957 is 7595431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1147041 + 198916 = 1071^2 + 446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672978 + 672979.

It is an arithmetic number, because the mean of its divisors is an integer number (672979).

2^1345957 is an apocalyptic number.

It is an amenable number.

1345957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345957 is an equidigital number, since it uses as much as digits as its factorization.

1345957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 34.

The square root of 1345957 is about 1160.1538691053. The cubic root of 1345957 is about 110.4105047153.

The spelling of 1345957 in words is "one million, three hundred forty-five thousand, nine hundred fifty-seven".