515045461 has 16 divisors (see below), whose sum is σ = 597542400. Its totient is φ = 434811888.

The previous prime is 515045449. The next prime is 515045497. The reversal of 515045461 is 164540515.

It is not a de Polignac number, because 515045461 - 2⁹ = 515044949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515042461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219030 + ... + 221368.

It is an arithmetic number, because the mean of its divisors is an integer number (37346400).

Almost surely, 2^515045461 is an apocalyptic number.

It is an amenable number.

515045461 is a deficient number, since it is larger than the sum of its proper divisors (82496939).

515045461 is a wasteful number, since it uses less digits than its factorization.

515045461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 515045461 is about 22694.6130392214. The cubic root of 515045461 is about 801.5830430065.

Adding to 515045461 its reverse (164540515), we get a palindrome (679585976).

It can be divided in two parts, 5150454 and 61, that added together give a palindrome (5150515).

The spelling of 515045461 in words is "five hundred fifteen million, forty-five thousand, four hundred sixty-one".