961186433 has 4 divisors (see below), whose sum is σ = 961300308. Its totient is φ = 961072560.

The previous prime is 961186361. The next prime is 961186441. The reversal of 961186433 is 334681169.

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 677196529 + 283989904 = 26023^2 + 16852^2 .

It is a cyclic number.

It is not a de Polignac number, because 961186433 - 2²² = 956992129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961186463) 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, 43166 + ... + 61527.

It is an arithmetic number, because the mean of its divisors is an integer number (240325077).

Almost surely, 2^961186433 is an apocalyptic number.

It is an amenable number.

961186433 is a deficient number, since it is larger than the sum of its proper divisors (113875).

961186433 is a wasteful number, since it uses less digits than its factorization.

961186433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113874.

The product of its digits is 93312, while the sum is 41.

The square root of 961186433 is about 31003.0068380472. The cubic root of 961186433 is about 986.8910506816.

The spelling of 961186433 in words is "nine hundred sixty-one million, one hundred eighty-six thousand, four hundred thirty-three".