515886241 has 16 divisors (see below), whose sum is σ = 571624704. Its totient is φ = 462593664.

The previous prime is 515886223. The next prime is 515886247. The reversal of 515886241 is 142688515.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-515886241 is a prime.

It is a super-2 number, since 2×515886241² = 532277227306220162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 515886194 and 515886203.

It is not an unprimeable number, because it can be changed into a prime (515886247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80626 + ... + 86788.

It is an arithmetic number, because the mean of its divisors is an integer number (35726544).

Almost surely, 2^515886241 is an apocalyptic number.

It is an amenable number.

515886241 is a deficient number, since it is larger than the sum of its proper divisors (55738463).

515886241 is a wasteful number, since it uses less digits than its factorization.

515886241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6360.

The product of its digits is 76800, while the sum is 40.

The square root of 515886241 is about 22713.1292648107. The cubic root of 515886241 is about 802.0189841962.

The spelling of 515886241 in words is "five hundred fifteen million, eight hundred eighty-six thousand, two hundred forty-one".