195487 has 4 divisors (see below), whose sum is σ = 196560. Its totient is φ = 194416.

The previous prime is 195479. The next prime is 195493. The reversal of 195487 is 784591.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 784591 = 761 ⋅1031.

It is a cyclic number.

It is not a de Polignac number, because 195487 - 2³ = 195479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195407) 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, 187 + ... + 652.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2¹⁹⁵⁴⁸⁷ is an apocalyptic number.

195487 is a deficient number, since it is larger than the sum of its proper divisors (1073).

195487 is an equidigital number, since it uses as much as digits as its factorization.

195487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072.

The product of its digits is 10080, while the sum is 34.

The square root of 195487 is about 442.1391183779. The cubic root of 195487 is about 58.0371343648.

The spelling of 195487 in words is "one hundred ninety-five thousand, four hundred eighty-seven".