512290147 has 4 divisors (see below), whose sum is σ = 512368120. Its totient is φ = 512212176.

The previous prime is 512290111. The next prime is 512290151. The reversal of 512290147 is 741092215.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512290147 is a prime.

It is a super-3 number, since 3×512290147³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512290447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28122 + ... + 42607.

It is an arithmetic number, because the mean of its divisors is an integer number (128092030).

Almost surely, 2^512290147 is an apocalyptic number.

512290147 is a deficient number, since it is larger than the sum of its proper divisors (77973).

512290147 is an equidigital number, since it uses as much as digits as its factorization.

512290147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77972.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 512290147 is about 22633.8274933781. The cubic root of 512290147 is about 800.1510896923.

The spelling of 512290147 in words is "five hundred twelve million, two hundred ninety thousand, one hundred forty-seven".