515472051 has 4 divisors (see below), whose sum is σ = 687296072. Its totient is φ = 343648032.

The previous prime is 515472047. The next prime is 515472073. The reversal of 515472051 is 150274515.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 515472051 - 2² = 515472047 is a prime.

It is a super-2 number, since 2×515472051² = 531422870724293202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (515472091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85912006 + ... + 85912011.

It is an arithmetic number, because the mean of its divisors is an integer number (171824018).

Almost surely, 2^515472051 is an apocalyptic number.

515472051 is a deficient number, since it is larger than the sum of its proper divisors (171824021).

515472051 is a wasteful number, since it uses less digits than its factorization.

515472051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171824020.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 515472051 is about 22704.0095798077. The cubic root of 515472051 is about 801.8042875198.

The spelling of 515472051 in words is "five hundred fifteen million, four hundred seventy-two thousand, fifty-one".