961547 has 2 divisors, whose sum is σ = 961548. Its totient is φ = 961546.

The previous prime is 961531. The next prime is 961549. The reversal of 961547 is 745169.

It is a happy number.

961547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 961547 - 2⁴ = 961531 is a prime.

Together with 961549, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (961549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480773 + 480774.

It is an arithmetic number, because the mean of its divisors is an integer number (480774).

2⁹⁶¹⁵⁴⁷ is an apocalyptic number.

961547 is a deficient number, since it is larger than the sum of its proper divisors (1).

961547 is an equidigital number, since it uses as much as digits as its factorization.

961547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 961547 is about 980.5850294595. The cubic root of 961547 is about 98.7014438420.

The spelling of 961547 in words is "nine hundred sixty-one thousand, five hundred forty-seven".