195247564 has 6 divisors (see below), whose sum is σ = 341683244. Its totient is φ = 97623780.

The previous prime is 195247537. The next prime is 195247571. The reversal of 195247564 is 465742591.

It is a super-2 number, since 2×195247564² = 76243222495868192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 195247564.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24405942 + ... + 24405949.

Almost surely, 2^195247564 is an apocalyptic number.

It is an amenable number.

195247564 is a deficient number, since it is larger than the sum of its proper divisors (146435680).

195247564 is a wasteful number, since it uses less digits than its factorization.

195247564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48811895 (or 48811893 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 195247564 is about 13973.1014452769. The cubic root of 195247564 is about 580.1342970823.

The spelling of 195247564 in words is "one hundred ninety-five million, two hundred forty-seven thousand, five hundred sixty-four".