961589471 has 4 divisors (see below), whose sum is σ = 962040744. Its totient is φ = 961138200.

The previous prime is 961589413. The next prime is 961589477. The reversal of 961589471 is 174985169.

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

It is a cyclic number.

It is not a de Polignac number, because 961589471 - 2⁶ = 961589407 is a prime.

It is a super-3 number, since 3×961589471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961589477) 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, 222425 + ... + 226706.

It is an arithmetic number, because the mean of its divisors is an integer number (240510186).

Almost surely, 2^961589471 is an apocalyptic number.

961589471 is a deficient number, since it is larger than the sum of its proper divisors (451273).

961589471 is a wasteful number, since it uses less digits than its factorization.

961589471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451272.

The product of its digits is 544320, while the sum is 50.

The square root of 961589471 is about 31009.5061392470. The cubic root of 961589471 is about 987.0289701667.

The spelling of 961589471 in words is "nine hundred sixty-one million, five hundred eighty-nine thousand, four hundred seventy-one".