16152481 has 2 divisors, whose sum is σ = 16152482. Its totient is φ = 16152480.

The previous prime is 16152421. The next prime is 16152497. The reversal of 16152481 is 18425161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13950225 + 2202256 = 3735^2 + 1484^2 .

It is a cyclic number.

It is not a de Polignac number, because 16152481 - 2⁹ = 16151969 is a prime.

It is a super-2 number, since 2×16152481² = 521805284910722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16152421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8076240 + 8076241.

It is an arithmetic number, because the mean of its divisors is an integer number (8076241).

Almost surely, 2^16152481 is an apocalyptic number.

It is an amenable number.

16152481 is a deficient number, since it is larger than the sum of its proper divisors (1).

16152481 is an equidigital number, since it uses as much as digits as its factorization.

16152481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 28.

The square root of 16152481 is about 4019.0149290591. The cubic root of 16152481 is about 252.7821555880.

It can be divided in two parts, 1615 and 2481, that added together give a 12-th power (4096 = 2¹²).

The spelling of 16152481 in words is "sixteen million, one hundred fifty-two thousand, four hundred eighty-one".