915650051 has 4 divisors (see below), whose sum is σ = 915718272. Its totient is φ = 915581832.

The previous prime is 915650003. The next prime is 915650081. The reversal of 915650051 is 150056519.

915650051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 150056519 = 1129 ⋅132911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-915650051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (915650081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6560 + ... + 43293.

It is an arithmetic number, because the mean of its divisors is an integer number (228929568).

Almost surely, 2^915650051 is an apocalyptic number.

915650051 is a deficient number, since it is larger than the sum of its proper divisors (68221).

915650051 is a wasteful number, since it uses less digits than its factorization.

915650051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68220.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 915650051 is about 30259.7100283529. The cubic root of 915650051 is about 971.0535373587.

The spelling of 915650051 in words is "nine hundred fifteen million, six hundred fifty thousand, fifty-one".