15850061 has 2 divisors, whose sum is σ = 15850062. Its totient is φ = 15850060.

The previous prime is 15850049. The next prime is 15850073. The reversal of 15850061 is 16005851.

It is a balanced prime because it is at equal distance from previous prime (15850049) and next prime (15850073).

It can be written as a sum of positive squares in only one way, i.e., 14364100 + 1485961 = 3790^2 + 1219^2 .

It is a cyclic number.

It is not a de Polignac number, because 15850061 - 2⁶ = 15849997 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15850061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15850661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7925030 + 7925031.

It is an arithmetic number, because the mean of its divisors is an integer number (7925031).

Almost surely, 2^15850061 is an apocalyptic number.

It is an amenable number.

15850061 is a deficient number, since it is larger than the sum of its proper divisors (1).

15850061 is an equidigital number, since it uses as much as digits as its factorization.

15850061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 15850061 is about 3981.2135084670. The cubic root of 15850061 is about 251.1946078890.

The spelling of 15850061 in words is "fifteen million, eight hundred fifty thousand, sixty-one".