9561562 has 4 divisors (see below), whose sum is σ = 14342346. Its totient is φ = 4780780.

The previous prime is 9561557. The next prime is 9561611. The reversal of 9561562 is 2651659.

It is a happy number.

9561562 is nontrivially palindromic in base 3.

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

It can be written as a sum of positive squares in only one way, i.e., 9235521 + 326041 = 3039^2 + 571^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2390389 + ... + 2390392.

Almost surely, 2^9561562 is an apocalyptic number.

9561562 is a deficient number, since it is larger than the sum of its proper divisors (4780784).

9561562 is a wasteful number, since it uses less digits than its factorization.

9561562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780783.

The product of its digits is 16200, while the sum is 34.

The square root of 9561562 is about 3092.1775498829. The cubic root of 9561562 is about 212.2476783676.

Subtracting from 9561562 its reverse (2651659), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 9561562 in words is "nine million, five hundred sixty-one thousand, five hundred sixty-two".