15954061 has 8 divisors (see below), whose sum is σ = 16243704. Its totient is φ = 15667200.

The previous prime is 15954049. The next prime is 15954079. The reversal of 15954061 is 16045951.

It can be written as a sum of positive squares in 4 ways, for example, as 9548100 + 6405961 = 3090^2 + 2531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15954061 - 2¹³ = 15945869 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 (15954361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13261 + ... + 14413.

It is an arithmetic number, because the mean of its divisors is an integer number (2030463).

Almost surely, 2^15954061 is an apocalyptic number.

It is an amenable number.

15954061 is a deficient number, since it is larger than the sum of its proper divisors (289643).

15954061 is a wasteful number, since it uses less digits than its factorization.

15954061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 15954061 is about 3994.2534972132. The cubic root of 15954061 is about 251.7428141625.

The spelling of 15954061 in words is "fifteen million, nine hundred fifty-four thousand, sixty-one".