513945022 has 16 divisors (see below), whose sum is σ = 833426640. Its totient is φ = 236867328.

The previous prime is 513945017. The next prime is 513945023. The reversal of 513945022 is 220549315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513945023) 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 7 ways as a sum of consecutive naturals, for example, 181363 + ... + 184174.

It is an arithmetic number, because the mean of its divisors is an integer number (52089165).

Almost surely, 2^513945022 is an apocalyptic number.

513945022 is a deficient number, since it is larger than the sum of its proper divisors (319481618).

513945022 is a wasteful number, since it uses less digits than its factorization.

513945022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365595.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 513945022 is about 22670.3555772732. The cubic root of 513945022 is about 801.0117521991.

The spelling of 513945022 in words is "five hundred thirteen million, nine hundred forty-five thousand, twenty-two".