515262642 has 16 divisors (see below), whose sum is σ = 1041150432. Its totient is φ = 169983360.

The previous prime is 515262619. The next prime is 515262647. The reversal of 515262642 is 246262515.

It is not an unprimeable number, because it can be changed into a prime (515262647) 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, 442084 + ... + 443247.

It is an arithmetic number, because the mean of its divisors is an integer number (65071902).

Almost surely, 2^515262642 is an apocalyptic number.

515262642 is an abundant number, since it is smaller than the sum of its proper divisors (525887790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

515262642 is a wasteful number, since it uses less digits than its factorization.

515262642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885433.

The product of its digits is 28800, while the sum is 33.

The square root of 515262642 is about 22699.3973928825. The cubic root of 515262642 is about 801.6956959380.

The spelling of 515262642 in words is "five hundred fifteen million, two hundred sixty-two thousand, six hundred forty-two".