1345572233 has 2 divisors, whose sum is σ = 1345572234. Its totient is φ = 1345572232.

The previous prime is 1345572227. The next prime is 1345572251. The reversal of 1345572233 is 3322755431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1259398144 + 86174089 = 35488^2 + 9283^2 .

It is an emirp because it is prime and its reverse (3322755431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345572233 - 2¹² = 1345568137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345572193 and 1345572202.

It is not a weakly prime, because it can be changed into another prime (1345572223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672786116 + 672786117.

It is an arithmetic number, because the mean of its divisors is an integer number (672786117).

Almost surely, 2^1345572233 is an apocalyptic number.

It is an amenable number.

1345572233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345572233 is an equidigital number, since it uses as much as digits as its factorization.

1345572233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 35.

The square root of 1345572233 is about 36682.0423777085. The cubic root of 1345572233 is about 1103.9998274281. Note that the first 3 decimals are identical.

The spelling of 1345572233 in words is "one billion, three hundred forty-five million, five hundred seventy-two thousand, two hundred thirty-three".