515030245 has 8 divisors (see below), whose sum is σ = 650564640. Its totient is φ = 390338640.

The previous prime is 515030213. The next prime is 515030267. The reversal of 515030245 is 542030515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 515030245 - 2⁵ = 515030213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710591 + ... + 2710780.

It is an arithmetic number, because the mean of its divisors is an integer number (81320580).

Almost surely, 2^515030245 is an apocalyptic number.

It is an amenable number.

515030245 is a deficient number, since it is larger than the sum of its proper divisors (135534395).

515030245 is a wasteful number, since it uses less digits than its factorization.

515030245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421395.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 515030245 is about 22694.2778030058. The cubic root of 515030245 is about 801.5751491999.

The spelling of 515030245 in words is "five hundred fifteen million, thirty thousand, two hundred forty-five".