1045390361 has 2 divisors, whose sum is σ = 1045390362. Its totient is φ = 1045390360.

The previous prime is 1045390271. The next prime is 1045390369. The reversal of 1045390361 is 1630935401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 536617225 + 508773136 = 23165^2 + 22556^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045390361 - 2¹⁰ = 1045389337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045390369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522695180 + 522695181.

It is an arithmetic number, because the mean of its divisors is an integer number (522695181).

Almost surely, 2^1045390361 is an apocalyptic number.

It is an amenable number.

1045390361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045390361 is an equidigital number, since it uses as much as digits as its factorization.

1045390361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1045390361 is about 32332.4969805921. The cubic root of 1045390361 is about 1014.9068033854.

The spelling of 1045390361 in words is "one billion, forty-five million, three hundred ninety thousand, three hundred sixty-one".