945397 has 2 divisors, whose sum is σ = 945398. Its totient is φ = 945396.

The previous prime is 945391. The next prime is 945409. The reversal of 945397 is 793549.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481636 + 463761 = 694^2 + 681^2 .

It is a cyclic number.

It is not a de Polignac number, because 945397 - 2³ = 945389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945391) 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, 472698 + 472699.

It is an arithmetic number, because the mean of its divisors is an integer number (472699).

2⁹⁴⁵³⁹⁷ is an apocalyptic number.

It is an amenable number.

945397 is a deficient number, since it is larger than the sum of its proper divisors (1).

945397 is an equidigital number, since it uses as much as digits as its factorization.

945397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 37.

The square root of 945397 is about 972.3152780863. The cubic root of 945397 is about 98.1457293217.

The spelling of 945397 in words is "nine hundred forty-five thousand, three hundred ninety-seven".