15200081 has 8 divisors (see below), whose sum is σ = 16812264. Its totient is φ = 13651200.

The previous prime is 15200071. The next prime is 15200083. The reversal of 15200081 is 18000251.

It can be written as a sum of positive squares in 4 ways, for example, as 5958481 + 9241600 = 2441^2 + 3040^2 .

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 15200081 - 2¹⁰ = 15199057 is a prime.

It is a super-2 number, since 2×15200081² = 462084924813122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15200083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15320 + ... + 16281.

It is an arithmetic number, because the mean of its divisors is an integer number (2101533).

Almost surely, 2^15200081 is an apocalyptic number.

It is an amenable number.

15200081 is a deficient number, since it is larger than the sum of its proper divisors (1612183).

15200081 is a wasteful number, since it uses less digits than its factorization.

15200081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31651.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 15200081 is about 3898.7281259406. The cubic root of 15200081 is about 247.7129059408.

The spelling of 15200081 in words is "fifteen million, two hundred thousand, eighty-one".