195261530 has 16 divisors (see below), whose sum is σ = 351696384. Its totient is φ = 78054480.

The previous prime is 195261523. The next prime is 195261571. The reversal of 195261530 is 35162591.

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, 12875 + ... + 23585.

It is an arithmetic number, because the mean of its divisors is an integer number (21981024).

Almost surely, 2^195261530 is an apocalyptic number.

195261530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195261530 is a deficient number, since it is larger than the sum of its proper divisors (156434854).

195261530 is a wasteful number, since it uses less digits than its factorization.

195261530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12541.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 195261530 is about 13973.6011822293. The cubic root of 195261530 is about 580.1481290302.

The spelling of 195261530 in words is "one hundred ninety-five million, two hundred sixty-one thousand, five hundred thirty".