509437342 has 16 divisors (see below), whose sum is σ = 768588912. Its totient is φ = 253245760.

The previous prime is 509437321. The next prime is 509437361. The reversal of 509437342 is 243734905.

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, 343242 + ... + 344722.

It is an arithmetic number, because the mean of its divisors is an integer number (48036807).

Almost surely, 2^509437342 is an apocalyptic number.

509437342 is a deficient number, since it is larger than the sum of its proper divisors (259151570).

509437342 is a wasteful number, since it uses less digits than its factorization.

509437342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 509437342 is about 22570.7186859435. The cubic root of 509437342 is about 798.6630492396.

It can be divided in two parts, 50943 and 7342, that added together give a palindrome (58285).

The spelling of 509437342 in words is "five hundred nine million, four hundred thirty-seven thousand, three hundred forty-two".