515242593 has 8 divisors (see below), whose sum is σ = 763322400. Its totient is φ = 343495044.

The previous prime is 515242583. The next prime is 515242633. The reversal of 515242593 is 395242515.

It is a happy number.

It is not a de Polignac number, because 515242593 - 2⁵ = 515242561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (515242523) 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, 9541503 + ... + 9541556.

It is an arithmetic number, because the mean of its divisors is an integer number (95415300).

Almost surely, 2^515242593 is an apocalyptic number.

It is an amenable number.

515242593 is a deficient number, since it is larger than the sum of its proper divisors (248079807).

515242593 is a wasteful number, since it uses less digits than its factorization.

515242593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19083068 (or 19083062 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 515242593 is about 22698.9557689335. The cubic root of 515242593 is about 801.6852977422.

The spelling of 515242593 in words is "five hundred fifteen million, two hundred forty-two thousand, five hundred ninety-three".