195697542 has 16 divisors (see below), whose sum is σ = 391538160. Its totient is φ = 65208672.

The previous prime is 195697531. The next prime is 195697559. The reversal of 195697542 is 245796591.

195697542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 195697491 and 195697500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21684 + ... + 29352.

It is an arithmetic number, because the mean of its divisors is an integer number (24471135).

Almost surely, 2^195697542 is an apocalyptic number.

195697542 is an abundant number, since it is smaller than the sum of its proper divisors (195840618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195697542 is a wasteful number, since it uses less digits than its factorization.

195697542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11927.

The product of its digits is 680400, while the sum is 48.

The square root of 195697542 is about 13989.1937580405. The cubic root of 195697542 is about 580.5796246795.

The spelling of 195697542 in words is "one hundred ninety-five million, six hundred ninety-seven thousand, five hundred forty-two".