15956141 has 2 divisors, whose sum is σ = 15956142. Its totient is φ = 15956140.

The previous prime is 15956111. The next prime is 15956159. The reversal of 15956141 is 14165951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12752041 + 3204100 = 3571^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 15956141 - 2¹⁴ = 15939757 is a prime.

It is a super-2 number, since 2×15956141² = 509196871223762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15956098 and 15956107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15956111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7978070 + 7978071.

It is an arithmetic number, because the mean of its divisors is an integer number (7978071).

Almost surely, 2^15956141 is an apocalyptic number.

It is an amenable number.

15956141 is a deficient number, since it is larger than the sum of its proper divisors (1).

15956141 is an equidigital number, since it uses as much as digits as its factorization.

15956141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 32.

The square root of 15956141 is about 3994.5138627873. The cubic root of 15956141 is about 251.7537539539.

The spelling of 15956141 in words is "fifteen million, nine hundred fifty-six thousand, one hundred forty-one".