1601255041 has 24 divisors (see below), whose sum is σ = 1754772120. Its totient is φ = 1456005120.

The previous prime is 1601255023. The next prime is 1601255081. The reversal of 1601255041 is 1405521061.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 397165041 + 1204090000 = 19929^2 + 34700^2 .

It is not a de Polignac number, because 1601255041 - 2¹¹ = 1601252993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1601254997 and 1601255015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601255011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3914845 + ... + 3915253.

It is an arithmetic number, because the mean of its divisors is an integer number (73115505).

Almost surely, 2^1601255041 is an apocalyptic number.

It is an amenable number.

1601255041 is a deficient number, since it is larger than the sum of its proper divisors (153517079).

1601255041 is a wasteful number, since it uses less digits than its factorization.

1601255041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1601255041 is about 40015.6849372843. The cubic root of 1601255041 is about 1169.9128288721.

The spelling of 1601255041 in words is "one billion, six hundred one million, two hundred fifty-five thousand, forty-one".