342500506 has 4 divisors (see below), whose sum is σ = 513750762. Its totient is φ = 171250252.

The previous prime is 342500491. The next prime is 342500507. The reversal of 342500506 is 605005243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 605005243 = 67 ⋅9029929.

It can be written as a sum of positive squares in only one way, i.e., 215825481 + 126675025 = 14691^2 + 11255^2 .

It is a super-2 number, since 2×342500506² = 234613193220512072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342500507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85625125 + ... + 85625128.

Almost surely, 2^342500506 is an apocalyptic number.

342500506 is a deficient number, since it is larger than the sum of its proper divisors (171250256).

342500506 is a wasteful number, since it uses less digits than its factorization.

342500506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171250255.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 342500506 is about 18506.7691940003. The cubic root of 342500506 is about 699.6600430890.

Adding to 342500506 its reverse (605005243), we get a palindrome (947505749).

The spelling of 342500506 in words is "three hundred forty-two million, five hundred thousand, five hundred six".