961427741 has 4 divisors (see below), whose sum is σ = 1017982332. Its totient is φ = 904873152.

The previous prime is 961427699. The next prime is 961427743. The reversal of 961427741 is 147724169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 147724169 = 17 ⋅8689657.

It can be written as a sum of positive squares in 2 ways, for example, as 890783716 + 70644025 = 29846^2 + 8405^2 .

It is a cyclic number.

It is not a de Polignac number, because 961427741 - 2²⁶ = 894318877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961427743) 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, 28277270 + ... + 28277303.

It is an arithmetic number, because the mean of its divisors is an integer number (254495583).

Almost surely, 2^961427741 is an apocalyptic number.

It is an amenable number.

961427741 is a deficient number, since it is larger than the sum of its proper divisors (56554591).

961427741 is a wasteful number, since it uses less digits than its factorization.

961427741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56554590.

The product of its digits is 84672, while the sum is 41.

The square root of 961427741 is about 31006.8982808665. The cubic root of 961427741 is about 986.9736308386.

The spelling of 961427741 in words is "nine hundred sixty-one million, four hundred twenty-seven thousand, seven hundred forty-one".