512502447 has 16 divisors (see below), whose sum is σ = 742507520. Its totient is φ = 313243200.

The previous prime is 512502439. The next prime is 512502493. The reversal of 512502447 is 744205215.

It is not a de Polignac number, because 512502447 - 2³ = 512502439 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 (512502407) 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, 143254 + ... + 146787.

It is an arithmetic number, because the mean of its divisors is an integer number (46406720).

Almost surely, 2^512502447 is an apocalyptic number.

512502447 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

512502447 is a deficient number, since it is larger than the sum of its proper divisors (230005073).

512502447 is a wasteful number, since it uses less digits than its factorization.

512502447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290094.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 512502447 is about 22638.5168904679. The cubic root of 512502447 is about 800.2616055897.

The spelling of 512502447 in words is "five hundred twelve million, five hundred two thousand, four hundred forty-seven".