1045397 has 2 divisors, whose sum is σ = 1045398. Its totient is φ = 1045396.

The previous prime is 1045393. The next prime is 1045409. The reversal of 1045397 is 7935401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948676 + 96721 = 974^2 + 311^2 .

It is an emirp because it is prime and its reverse (7935401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1045397 - 2² = 1045393 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522698 + 522699.

It is an arithmetic number, because the mean of its divisors is an integer number (522699).

2^1045397 is an apocalyptic number.

It is an amenable number.

1045397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045397 is an equidigital number, since it uses as much as digits as its factorization.

1045397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1045397 is about 1022.4465756214. The cubic root of 1045397 is about 101.4908951850.

The spelling of 1045397 in words is "one million, forty-five thousand, three hundred ninety-seven".