512402542 has 16 divisors (see below), whose sum is σ = 815257440. Its totient is φ = 240703488.

The previous prime is 512402531. The next prime is 512402557. The reversal of 512402542 is 245204215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6559 + ... + 32677.

It is an arithmetic number, because the mean of its divisors is an integer number (50953590).

Almost surely, 2^512402542 is an apocalyptic number.

512402542 is a deficient number, since it is larger than the sum of its proper divisors (302854898).

512402542 is a wasteful number, since it uses less digits than its factorization.

512402542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26715.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 512402542 is about 22636.3102558699. The cubic root of 512402542 is about 800.2096023704.

Adding to 512402542 its reverse (245204215), we get a palindrome (757606757).

The spelling of 512402542 in words is "five hundred twelve million, four hundred two thousand, five hundred forty-two".