962581 has 4 divisors (see below), whose sum is σ = 993664. Its totient is φ = 931500.

The previous prime is 962569. The next prime is 962587. The reversal of 962581 is 185269.

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 962581 - 2¹⁵ = 929813 is a prime.

It is a super-2 number, since 2×962581² = 1853124363122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 31051 = 962581 / (9 + 6 + 2 + 5 + 8 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (962587) 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, 15495 + ... + 15556.

It is an arithmetic number, because the mean of its divisors is an integer number (248416).

2⁹⁶²⁵⁸¹ is an apocalyptic number.

It is an amenable number.

962581 is a deficient number, since it is larger than the sum of its proper divisors (31083).

962581 is a wasteful number, since it uses less digits than its factorization.

962581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31082.

The product of its digits is 4320, while the sum is 31.

The square root of 962581 is about 981.1121240715. The cubic root of 962581 is about 98.7368107151.

The spelling of 962581 in words is "nine hundred sixty-two thousand, five hundred eighty-one".