1516745234 has 4 divisors (see below), whose sum is σ = 2275117854. Its totient is φ = 758372616.

The previous prime is 1516745233. The next prime is 1516745303. The reversal of 1516745234 is 4325476151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4325476151 = 1733 ⋅2495947.

It can be written as a sum of positive squares in only one way, i.e., 1451991025 + 64754209 = 38105^2 + 8047^2 .

It is a super-2 number, since 2×1516745234² = 4601032209723429512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1516745231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 379186307 + ... + 379186310.

Almost surely, 2^1516745234 is an apocalyptic number.

1516745234 is a deficient number, since it is larger than the sum of its proper divisors (758372620).

1516745234 is an equidigital number, since it uses as much as digits as its factorization.

1516745234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758372619.

The product of its digits is 100800, while the sum is 38.

The square root of 1516745234 is about 38945.4135168700. The cubic root of 1516745234 is about 1148.9581576253.

The spelling of 1516745234 in words is "one billion, five hundred sixteen million, seven hundred forty-five thousand, two hundred thirty-four".