1345526461 has 2 divisors, whose sum is σ = 1345526462. Its totient is φ = 1345526460.

The previous prime is 1345526453. The next prime is 1345526491. The reversal of 1345526461 is 1646255431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 856674361 + 488852100 = 29269^2 + 22110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345526461 - 2³ = 1345526453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1345526461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345526491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672763230 + 672763231.

It is an arithmetic number, because the mean of its divisors is an integer number (672763231).

Almost surely, 2^1345526461 is an apocalyptic number.

It is an amenable number.

1345526461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345526461 is an equidigital number, since it uses as much as digits as its factorization.

1345526461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 1345526461 is about 36681.4184703918. The cubic root of 1345526461 is about 1103.9873091226.

The spelling of 1345526461 in words is "one billion, three hundred forty-five million, five hundred twenty-six thousand, four hundred sixty-one".