513422542 has 8 divisors (see below), whose sum is σ = 815435856. Its totient is φ = 241610592.

The previous prime is 513422531. The next prime is 513422549. The reversal of 513422542 is 245224315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×513422542³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 513422542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513422549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7550298 + ... + 7550365.

It is an arithmetic number, because the mean of its divisors is an integer number (101929482).

Almost surely, 2^513422542 is an apocalyptic number.

513422542 is a deficient number, since it is larger than the sum of its proper divisors (302013314).

513422542 is a wasteful number, since it uses less digits than its factorization.

513422542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15100682.

The product of its digits is 9600, while the sum is 28.

The square root of 513422542 is about 22658.8292283604. The cubic root of 513422542 is about 800.7402221693.

Adding to 513422542 its reverse (245224315), we get a palindrome (758646857).

The spelling of 513422542 in words is "five hundred thirteen million, four hundred twenty-two thousand, five hundred forty-two".