961567 has 2 divisors, whose sum is σ = 961568. Its totient is φ = 961566.

The previous prime is 961549. The next prime is 961601. The reversal of 961567 is 765169.

It is an a-pointer prime, because the next prime (961601) can be obtained adding 961567 to its sum of digits (34).

It is a weak prime.

It is an emirp because it is prime and its reverse (765169) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 961567 - 2¹⁵ = 928799 is a prime.

It is a super-2 number, since 2×961567² = 1849222190978, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480783 + 480784.

It is an arithmetic number, because the mean of its divisors is an integer number (480784).

2⁹⁶¹⁵⁶⁷ is an apocalyptic number.

961567 is a deficient number, since it is larger than the sum of its proper divisors (1).

961567 is an equidigital number, since it uses as much as digits as its factorization.

961567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 961567 is about 980.5952274002. The cubic root of 961567 is about 98.7021281612.

The spelling of 961567 in words is "nine hundred sixty-one thousand, five hundred sixty-seven".