1516225271 has 16 divisors (see below), whose sum is σ = 1678060800. Its totient is φ = 1358491200.

The previous prime is 1516225267. The next prime is 1516225273. The reversal of 1516225271 is 1725226151.

It is not a de Polignac number, because 1516225271 - 2² = 1516225267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516225273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321710 + ... + 326388.

It is an arithmetic number, because the mean of its divisors is an integer number (104878800).

Almost surely, 2^1516225271 is an apocalyptic number.

1516225271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1516225271 is a deficient number, since it is larger than the sum of its proper divisors (161835529).

1516225271 is a wasteful number, since it uses less digits than its factorization.

1516225271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110.

The product of its digits is 8400, while the sum is 32.

The square root of 1516225271 is about 38938.7374089094. The cubic root of 1516225271 is about 1148.8268492601.

The spelling of 1516225271 in words is "one billion, five hundred sixteen million, two hundred twenty-five thousand, two hundred seventy-one".