10195961 has 8 divisors (see below), whose sum is σ = 10366440. Its totient is φ = 10027008.

The previous prime is 10195957. The next prime is 10195963. The reversal of 10195961 is 16959101.

10195961 = 275² + 276² + ... + 371².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6661561 + 3534400 = 2581^2 + 1880^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10195961 - 2² = 10195957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10195963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24725 + ... + 25133.

It is an arithmetic number, because the mean of its divisors is an integer number (1295805).

Almost surely, 2^10195961 is an apocalyptic number.

It is an amenable number.

10195961 is a deficient number, since it is larger than the sum of its proper divisors (170479).

10195961 is an equidigital number, since it uses as much as digits as its factorization.

10195961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 10195961 is about 3193.1114919464. Note that the first 3 decimals coincide. The cubic root of 10195961 is about 216.8416592852.

The spelling of 10195961 in words is "ten million, one hundred ninety-five thousand, nine hundred sixty-one".