512202125 has 8 divisors (see below), whose sum is σ = 639228408. Its totient is φ = 409761600.

The previous prime is 512202083. The next prime is 512202127. The reversal of 512202125 is 521202215.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53085796 + 459116329 = 7286^2 + 21427^2 .

It is not a de Polignac number, because 512202125 - 2⁸ = 512201869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512202097 and 512202106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512202127) 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, 2048684 + ... + 2048933.

It is an arithmetic number, because the mean of its divisors is an integer number (79903551).

Almost surely, 2^512202125 is an apocalyptic number.

It is an amenable number.

512202125 is a deficient number, since it is larger than the sum of its proper divisors (127026283).

512202125 is an equidigital number, since it uses as much as digits as its factorization.

512202125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097632 (or 4097622 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 512202125 is about 22631.8829309450. The cubic root of 512202125 is about 800.1052595874.

The spelling of 512202125 in words is "five hundred twelve million, two hundred two thousand, one hundred twenty-five".