401265061 has 16 divisors (see below), whose sum is σ = 424126080. Its totient is φ = 378892800.

The previous prime is 401265043. The next prime is 401265071. The reversal of 401265061 is 160562104.

It is not a de Polignac number, because 401265061 - 2¹¹ = 401263013 is a prime.

It is a super-3 number, since 3×401265061³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401265001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000461 + ... + 1000861.

It is an arithmetic number, because the mean of its divisors is an integer number (26507880).

Almost surely, 2^401265061 is an apocalyptic number.

It is an amenable number.

401265061 is a deficient number, since it is larger than the sum of its proper divisors (22861019).

401265061 is a wasteful number, since it uses less digits than its factorization.

401265061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 401265061 is about 20031.6015585375. The cubic root of 401265061 is about 737.5822363913.

The spelling of 401265061 in words is "four hundred one million, two hundred sixty-five thousand, sixty-one".