10569961 has 4 divisors (see below), whose sum is σ = 10647252. Its totient is φ = 10492672.

The previous prime is 10569943. The next prime is 10569973. The reversal of 10569961 is 16996501.

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 7054336 + 3515625 = 2656^2 + 1875^2 .

It is a cyclic number.

It is not a de Polignac number, because 10569961 - 2⁵ = 10569929 is a prime.

It is a super-2 number, since 2×10569961² = 223448151083042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10569961.

It is not an unprimeable number, because it can be changed into a prime (10569661) 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, 38440 + ... + 38713.

It is an arithmetic number, because the mean of its divisors is an integer number (2661813).

Almost surely, 2^10569961 is an apocalyptic number.

It is an amenable number.

10569961 is a deficient number, since it is larger than the sum of its proper divisors (77291).

10569961 is an equidigital number, since it uses as much as digits as its factorization.

10569961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77290.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 10569961 is about 3251.1476435253. The cubic root of 10569961 is about 219.4612229416.

The spelling of 10569961 in words is "ten million, five hundred sixty-nine thousand, nine hundred sixty-one".