515342505 has 32 divisors (see below), whose sum is σ = 879980544. Its totient is φ = 256628736.

The previous prime is 515342497. The next prime is 515342507. The reversal of 515342505 is 505243515.

It is a happy number.

It is not a de Polignac number, because 515342505 - 2³ = 515342497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (515342507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24429 + ... + 40341.

It is an arithmetic number, because the mean of its divisors is an integer number (27499392).

Almost surely, 2^515342505 is an apocalyptic number.

It is an amenable number.

515342505 is a deficient number, since it is larger than the sum of its proper divisors (364638039).

515342505 is a wasteful number, since it uses less digits than its factorization.

515342505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16065.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 515342505 is about 22701.1564683388. The cubic root of 515342505 is about 801.7371133373.

The spelling of 515342505 in words is "five hundred fifteen million, three hundred forty-two thousand, five hundred five".