195037651 has 4 divisors (see below), whose sum is σ = 206510472. Its totient is φ = 183564832.

The previous prime is 195037627. The next prime is 195037663. The reversal of 195037651 is 156730591.

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 195037651 - 2¹³ = 195029459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195037651.

It is not an unprimeable number, because it can be changed into a prime (195037621) 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, 5736385 + ... + 5736418.

It is an arithmetic number, because the mean of its divisors is an integer number (51627618).

Almost surely, 2^195037651 is an apocalyptic number.

195037651 is a deficient number, since it is larger than the sum of its proper divisors (11472821).

195037651 is a wasteful number, since it uses less digits than its factorization.

195037651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11472820.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 195037651 is about 13965.5881007568. The cubic root of 195037651 is about 579.9263194156.

It can be divided in two parts, 1950 and 37651, that added together give a square (39601 = 199²).

The spelling of 195037651 in words is "one hundred ninety-five million, thirty-seven thousand, six hundred fifty-one".