1345522 has 8 divisors (see below), whose sum is σ = 2038572. Its totient is φ = 666000.

The previous prime is 1345507. The next prime is 1345537. The reversal of 1345522 is 2255431.

It is an interprime number because it is at equal distance from previous prime (1345507) and next prime (1345537).

It can be written as a sum of positive squares in 2 ways, for example, as 962361 + 383161 = 981^2 + 619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1345493 and 1345502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3129 + ... + 3532.

2^1345522 is an apocalyptic number.

1345522 is a deficient number, since it is larger than the sum of its proper divisors (693050).

1345522 is a wasteful number, since it uses less digits than its factorization.

1345522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6764.

The product of its digits is 1200, while the sum is 22.

The square root of 1345522 is about 1159.9663788231. The cubic root of 1345522 is about 110.3986089057.

Subtracting 1345522 from its reverse (2255431), we obtain a palindrome (909909).

The spelling of 1345522 in words is "one million, three hundred forty-five thousand, five hundred twenty-two".