538130897 has 2 divisors, whose sum is σ = 538130898. Its totient is φ = 538130896.

The previous prime is 538130881. The next prime is 538130909. The reversal of 538130897 is 798031835.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 536570896 + 1560001 = 23164^2 + 1249^2 .

It is a cyclic number.

It is not a de Polignac number, because 538130897 - 2⁴ = 538130881 is a prime.

It is not a weakly prime, because it can be changed into another prime (538130807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269065448 + 269065449.

It is an arithmetic number, because the mean of its divisors is an integer number (269065449).

Almost surely, 2^538130897 is an apocalyptic number.

It is an amenable number.

538130897 is a deficient number, since it is larger than the sum of its proper divisors (1).

538130897 is an equidigital number, since it uses as much as digits as its factorization.

538130897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 538130897 is about 23197.6485230723. The cubic root of 538130897 is about 813.3846570042.

The spelling of 538130897 in words is "five hundred thirty-eight million, one hundred thirty thousand, eight hundred ninety-seven".