507342538 has 8 divisors (see below), whose sum is σ = 761177988. Its totient is φ = 253616544.

The previous prime is 507342523. The next prime is 507342547. The reversal of 507342538 is 835243705.

It can be written as a sum of positive squares in 2 ways, for example, as 280328049 + 227014489 = 16743^2 + 15067^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 507342497 and 507342506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14581 + ... + 35032.

Almost surely, 2^507342538 is an apocalyptic number.

507342538 is a deficient number, since it is larger than the sum of its proper divisors (253835450).

507342538 is a wasteful number, since it uses less digits than its factorization.

507342538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54728.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 507342538 is about 22524.2655374154. The cubic root of 507342538 is about 797.5668457447.

The spelling of 507342538 in words is "five hundred seven million, three hundred forty-two thousand, five hundred thirty-eight".