1516252361 has 4 divisors (see below), whose sum is σ = 1632887172. Its totient is φ = 1399617552.

The previous prime is 1516252351. The next prime is 1516252363. The reversal of 1516252361 is 1632526151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 191656336 + 1324596025 = 13844^2 + 36395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1516252361 - 2¹⁴ = 1516235977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1516252363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58317386 + ... + 58317411.

It is an arithmetic number, because the mean of its divisors is an integer number (408221793).

Almost surely, 2^1516252361 is an apocalyptic number.

It is an amenable number.

1516252361 is a deficient number, since it is larger than the sum of its proper divisors (116634811).

1516252361 is a wasteful number, since it uses less digits than its factorization.

1516252361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116634810.

The product of its digits is 10800, while the sum is 32.

The square root of 1516252361 is about 38939.0852614696. The cubic root of 1516252361 is about 1148.8336911489.

The spelling of 1516252361 in words is "one billion, five hundred sixteen million, two hundred fifty-two thousand, three hundred sixty-one".