953561 has 4 divisors (see below), whose sum is σ = 1089792. Its totient is φ = 817332.

The previous prime is 953551. The next prime is 953567. The reversal of 953561 is 165359.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 953561 - 2⁶ = 953497 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 (953567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68105 + ... + 68118.

It is an arithmetic number, because the mean of its divisors is an integer number (272448).

2⁹⁵³⁵⁶¹ is an apocalyptic number.

It is an amenable number.

953561 is a deficient number, since it is larger than the sum of its proper divisors (136231).

953561 is a wasteful number, since it uses less digits than its factorization.

953561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136230.

The product of its digits is 4050, while the sum is 29.

The square root of 953561 is about 976.5044802765. The cubic root of 953561 is about 98.4274333033.

The spelling of 953561 in words is "nine hundred fifty-three thousand, five hundred sixty-one".