513604542 has 32 divisors (see below), whose sum is σ = 1179573120. Its totient is φ = 147445920.

The previous prime is 513604541. The next prime is 513604543. The reversal of 513604542 is 245406315.

It is an interprime number because it is at equal distance from previous prime (513604541) and next prime (513604543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513604541) 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, 203533 + ... + 206040.

It is an arithmetic number, because the mean of its divisors is an integer number (36861660).

Almost surely, 2^513604542 is an apocalyptic number.

513604542 is an abundant number, since it is smaller than the sum of its proper divisors (665968578).

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

513604542 is a wasteful number, since it uses less digits than its factorization.

513604542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409608.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 513604542 is about 22662.8449670380. The cubic root of 513604542 is about 800.8348274841.

The spelling of 513604542 in words is "five hundred thirteen million, six hundred four thousand, five hundred forty-two".