565601973 has 8 divisors (see below), whose sum is σ = 754740000. Its totient is φ = 376765968.

The previous prime is 565601963. The next prime is 565601977. The reversal of 565601973 is 379106565.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 565601973 - 2⁴ = 565601957 is a prime.

It is a super-2 number, since 2×565601973² = 639811183722985458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565601977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71098 + ... + 78651.

It is an arithmetic number, because the mean of its divisors is an integer number (94342500).

Almost surely, 2^565601973 is an apocalyptic number.

It is an amenable number.

565601973 is a deficient number, since it is larger than the sum of its proper divisors (189138027).

565601973 is a wasteful number, since it uses less digits than its factorization.

565601973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151011.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 565601973 is about 23782.3878742232. The cubic root of 565601973 is about 826.9964372367.

The spelling of 565601973 in words is "five hundred sixty-five million, six hundred one thousand, nine hundred seventy-three".