130261897 has 2 divisors, whose sum is σ = 130261898. Its totient is φ = 130261896.

The previous prime is 130261883. The next prime is 130261919. The reversal of 130261897 is 798162031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130051216 + 210681 = 11404^2 + 459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130261897 is a prime.

It is not a weakly prime, because it can be changed into another prime (130261847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65130948 + 65130949.

It is an arithmetic number, because the mean of its divisors is an integer number (65130949).

Almost surely, 2^130261897 is an apocalyptic number.

It is an amenable number.

130261897 is a deficient number, since it is larger than the sum of its proper divisors (1).

130261897 is an equidigital number, since it uses as much as digits as its factorization.

130261897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 130261897 is about 11413.2334156452. The cubic root of 130261897 is about 506.9196575784.

The spelling of 130261897 in words is "one hundred thirty million, two hundred sixty-one thousand, eight hundred ninety-seven".