1045511397 has 12 divisors (see below), whose sum is σ = 1725923680. Its totient is φ = 597435048.

The previous prime is 1045511387. The next prime is 1045511419. The reversal of 1045511397 is 7931155401.

It is a happy number.

1045511397 is a `hidden beast` number, since 1 + 0 + 4 + 551 + 13 + 97 = 666.

It is not a de Polignac number, because 1045511397 - 2¹¹ = 1045509349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045511387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8297647 + ... + 8297772.

Almost surely, 2^1045511397 is an apocalyptic number.

It is an amenable number.

1045511397 is a deficient number, since it is larger than the sum of its proper divisors (680412283).

1045511397 is a wasteful number, since it uses less digits than its factorization.

1045511397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16595432 (or 16595429 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 1045511397 is about 32334.3686655546. The cubic root of 1045511397 is about 1014.9459707382.

Adding to 1045511397 its reverse (7931155401), we get a palindrome (8976666798).

The spelling of 1045511397 in words is "one billion, forty-five million, five hundred eleven thousand, three hundred ninety-seven".