961725041 has 4 divisors (see below), whose sum is σ = 966607092. Its totient is φ = 956842992.

The previous prime is 961725019. The next prime is 961725043. The reversal of 961725041 is 140527169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140527169 = 10733 ⋅13093.

It can be written as a sum of positive squares in 2 ways, for example, as 822485041 + 139240000 = 28679^2 + 11800^2 .

It is a cyclic number.

It is not a de Polignac number, because 961725041 - 2²² = 957530737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 961724992 and 961725010.

It is not an unprimeable number, because it can be changed into a prime (961725043) 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, 2440730 + ... + 2441123.

It is an arithmetic number, because the mean of its divisors is an integer number (241651773).

Almost surely, 2^961725041 is an apocalyptic number.

It is an amenable number.

961725041 is a deficient number, since it is larger than the sum of its proper divisors (4882051).

961725041 is a wasteful number, since it uses less digits than its factorization.

961725041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882050.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 961725041 is about 31011.6920047907. The cubic root of 961725041 is about 987.0753535189.

The spelling of 961725041 in words is "nine hundred sixty-one million, seven hundred twenty-five thousand, forty-one".