1345577 has 2 divisors, whose sum is σ = 1345578. Its totient is φ = 1345576.

The previous prime is 1345559. The next prime is 1345583. The reversal of 1345577 is 7755431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1008016 + 337561 = 1004^2 + 581^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345577 - 2¹² = 1341481 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1345507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672788 + 672789.

It is an arithmetic number, because the mean of its divisors is an integer number (672789).

2^1345577 is an apocalyptic number.

It is an amenable number.

1345577 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345577 is an equidigital number, since it uses as much as digits as its factorization.

1345577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14700, while the sum is 32.

The square root of 1345577 is about 1159.9900861645. The cubic root of 1345577 is about 110.4001131151.

The spelling of 1345577 in words is "one million, three hundred forty-five thousand, five hundred seventy-seven".