2051727515 has 8 divisors (see below), whose sum is σ = 2528615760. Its totient is φ = 1597020192.

The previous prime is 2051727511. The next prime is 2051727523. The reversal of 2051727515 is 5157271502.

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 2051727515 - 2² = 2051727511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2051727511) 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, 5545025 + ... + 5545394.

It is an arithmetic number, because the mean of its divisors is an integer number (316076970).

Almost surely, 2^2051727515 is an apocalyptic number.

2051727515 is a deficient number, since it is larger than the sum of its proper divisors (476888245).

2051727515 is a wasteful number, since it uses less digits than its factorization.

2051727515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11090461.

The product of its (nonzero) digits is 24500, while the sum is 35.

The square root of 2051727515 is about 45295.9988851113. The cubic root of 2051727515 is about 1270.6908253017.

The spelling of 2051727515 in words is "two billion, fifty-one million, seven hundred twenty-seven thousand, five hundred fifteen".