81060315 has 16 divisors (see below), whose sum is σ = 148224768. Its totient is φ = 37056096.

The previous prime is 81060299. The next prime is 81060341. The reversal of 81060315 is 51306018.

It is not a de Polignac number, because 81060315 - 2⁴ = 81060299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385897 + ... + 386106.

It is an arithmetic number, because the mean of its divisors is an integer number (9264048).

Almost surely, 2^81060315 is an apocalyptic number.

81060315 is a deficient number, since it is larger than the sum of its proper divisors (67164453).

81060315 is a wasteful number, since it uses less digits than its factorization.

81060315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772018.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 81060315 is about 9003.3502097830. The cubic root of 81060315 is about 432.7822386233.

The spelling of 81060315 in words is "eighty-one million, sixty thousand, three hundred fifteen".