573407987 has 4 divisors (see below), whose sum is σ = 573645336. Its totient is φ = 573170640.

The previous prime is 573407969. The next prime is 573407993. The reversal of 573407987 is 789704375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 573407987 - 2¹⁰ = 573406963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (573407287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115013 + ... + 119894.

It is an arithmetic number, because the mean of its divisors is an integer number (143411334).

Almost surely, 2^573407987 is an apocalyptic number.

573407987 is a deficient number, since it is larger than the sum of its proper divisors (237349).

573407987 is a wasteful number, since it uses less digits than its factorization.

573407987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237348.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The square root of 573407987 is about 23945.9388414821. The cubic root of 573407987 is about 830.7835958789.

The spelling of 573407987 in words is "five hundred seventy-three million, four hundred seven thousand, nine hundred eighty-seven".