195237401 has 4 divisors (see below), whose sum is σ = 206721972. Its totient is φ = 183752832.

The previous prime is 195237347. The next prime is 195237439. The reversal of 195237401 is 104732591.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85008400 + 110229001 = 9220^2 + 10499^2 .

It is a cyclic number.

It is not a de Polignac number, because 195237401 - 2⁶ = 195237337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195237701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5742260 + ... + 5742293.

It is an arithmetic number, because the mean of its divisors is an integer number (51680493).

Almost surely, 2^195237401 is an apocalyptic number.

It is an amenable number.

195237401 is a deficient number, since it is larger than the sum of its proper divisors (11484571).

195237401 is a wasteful number, since it uses less digits than its factorization.

195237401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11484570.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 195237401 is about 13972.7377775438. The cubic root of 195237401 is about 580.1242312168.

Adding to 195237401 its reverse (104732591), we get a palindrome (299969992).

The spelling of 195237401 in words is "one hundred ninety-five million, two hundred thirty-seven thousand, four hundred one".