961542 has 12 divisors (see below), whose sum is σ = 2083380. Its totient is φ = 320508.

The previous prime is 961531. The next prime is 961547. The reversal of 961542 is 245169.

961542 is a `hidden beast` number, since 9 + 615 + 42 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 961542.

It is not an unprimeable number, because it can be changed into a prime (961547) by changing a digit.

961542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26692 + ... + 26727.

It is an arithmetic number, because the mean of its divisors is an integer number (173615).

2⁹⁶¹⁵⁴² is an apocalyptic number.

961542 is an abundant number, since it is smaller than the sum of its proper divisors (1121838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961542 is a wasteful number, since it uses less digits than its factorization.

961542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53427 (or 53424 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 961542 is about 980.5824799577. The cubic root of 961542 is about 98.7012727607.

It can be divided in two parts, 9 and 61542, that multiplied together give a triangular number (553878 = T₁₀₅₂).

The spelling of 961542 in words is "nine hundred sixty-one thousand, five hundred forty-two".