512623641 has 8 divisors (see below), whose sum is σ = 701971264. Its totient is φ = 332512560.

The previous prime is 512623637. The next prime is 512623681. The reversal of 512623641 is 146326215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 512623641 - 2² = 512623637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512623599 and 512623608.

It is not an unprimeable number, because it can be changed into a prime (512623681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2309005 + ... + 2309226.

It is an arithmetic number, because the mean of its divisors is an integer number (87746408).

Almost surely, 2^512623641 is an apocalyptic number.

It is an amenable number.

512623641 is a deficient number, since it is larger than the sum of its proper divisors (189347623).

512623641 is a wasteful number, since it uses less digits than its factorization.

512623641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618271.

The product of its digits is 8640, while the sum is 30.

The square root of 512623641 is about 22641.1934535263. The cubic root of 512623641 is about 800.3246812306.

Adding to 512623641 its reverse (146326215), we get a palindrome (658949856).

The spelling of 512623641 in words is "five hundred twelve million, six hundred twenty-three thousand, six hundred forty-one".