516001449 has 32 divisors (see below), whose sum is σ = 738460800. Its totient is φ = 319541760.

The previous prime is 516001427. The next prime is 516001457. The reversal of 516001449 is 944100615.

It is a happy number.

It is not a de Polignac number, because 516001449 - 2¹⁹ = 515477161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516001489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1119079 + ... + 1119539.

It is an arithmetic number, because the mean of its divisors is an integer number (23076900).

Almost surely, 2^516001449 is an apocalyptic number.

It is an amenable number.

516001449 is a deficient number, since it is larger than the sum of its proper divisors (222459351).

516001449 is a wasteful number, since it uses less digits than its factorization.

516001449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 516001449 is about 22715.6652775128. The cubic root of 516001449 is about 802.0786821932.

The spelling of 516001449 in words is "five hundred sixteen million, one thousand, four hundred forty-nine".