130262557 has 2 divisors, whose sum is σ = 130262558. Its totient is φ = 130262556.

The previous prime is 130262497. The next prime is 130262569. The reversal of 130262557 is 755262031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126023076 + 4239481 = 11226^2 + 2059^2 .

It is a cyclic number.

It is not a de Polignac number, because 130262557 - 2¹¹ = 130260509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130262057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65131278 + 65131279.

It is an arithmetic number, because the mean of its divisors is an integer number (65131279).

Almost surely, 2^130262557 is an apocalyptic number.

It is an amenable number.

130262557 is a deficient number, since it is larger than the sum of its proper divisors (1).

130262557 is an equidigital number, since it uses as much as digits as its factorization.

130262557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 130262557 is about 11413.2623294131. The cubic root of 130262557 is about 506.9205137162.

The spelling of 130262557 in words is "one hundred thirty million, two hundred sixty-two thousand, five hundred fifty-seven".