562985397 has 20 divisors (see below), whose sum is σ = 905697100. Its totient is φ = 346451904.

The previous prime is 562985393. The next prime is 562985407. The reversal of 562985397 is 793589265.

562985397 is a `hidden beast` number, since 5 + 629 + 8 + 5 + 3 + 9 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32558436 + 530426961 = 5706^2 + 23031^2 .

It is not a de Polignac number, because 562985397 - 2² = 562985393 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 (562985393) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 266272 + ... + 268377.

It is an arithmetic number, because the mean of its divisors is an integer number (45284855).

Almost surely, 2^562985397 is an apocalyptic number.

It is an amenable number.

562985397 is a deficient number, since it is larger than the sum of its proper divisors (342711703).

562985397 is a wasteful number, since it uses less digits than its factorization.

562985397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534674 (or 534665 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 562985397 is about 23727.3133118775. The cubic root of 562985397 is about 825.7191877472.

The spelling of 562985397 in words is "five hundred sixty-two million, nine hundred eighty-five thousand, three hundred ninety-seven".