512720093 has 2 divisors, whose sum is σ = 512720094. Its totient is φ = 512720092.

The previous prime is 512720069. The next prime is 512720101. The reversal of 512720093 is 390027215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490091044 + 22629049 = 22138^2 + 4757^2 .

It is a cyclic number.

It is not a de Polignac number, because 512720093 - 2²² = 508525789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512720053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256360046 + 256360047.

It is an arithmetic number, because the mean of its divisors is an integer number (256360047).

Almost surely, 2^512720093 is an apocalyptic number.

It is an amenable number.

512720093 is a deficient number, since it is larger than the sum of its proper divisors (1).

512720093 is an equidigital number, since it uses as much as digits as its factorization.

512720093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 512720093 is about 22643.3233647360. The cubic root of 512720093 is about 800.3748727481.

The spelling of 512720093 in words is "five hundred twelve million, seven hundred twenty thousand, ninety-three".