245633566 has 8 divisors (see below), whose sum is σ = 368549640. Its totient is φ = 122783688.

The previous prime is 245633551. The next prime is 245633569. The reversal of 245633566 is 665336542.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245633569) 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, 5901 + ... + 22936.

It is an arithmetic number, because the mean of its divisors is an integer number (46068705).

Almost surely, 2^245633566 is an apocalyptic number.

245633566 is a deficient number, since it is larger than the sum of its proper divisors (122916074).

245633566 is a wasteful number, since it uses less digits than its factorization.

245633566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33098.

The product of its digits is 388800, while the sum is 40.

The square root of 245633566 is about 15672.7012987551. The cubic root of 245633566 is about 626.2713882812.

The spelling of 245633566 in words is "two hundred forty-five million, six hundred thirty-three thousand, five hundred sixty-six".