130322557 has 2 divisors, whose sum is σ = 130322558. Its totient is φ = 130322556.

The previous prime is 130322537. The next prime is 130322567. The reversal of 130322557 is 755223031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128799801 + 1522756 = 11349^2 + 1234^2 .

It is a cyclic number.

It is not a de Polignac number, because 130322557 - 2²³ = 121933949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130322537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65161278 + 65161279.

It is an arithmetic number, because the mean of its divisors is an integer number (65161279).

Almost surely, 2^130322557 is an apocalyptic number.

It is an amenable number.

130322557 is a deficient number, since it is larger than the sum of its proper divisors (1).

130322557 is an equidigital number, since it uses as much as digits as its factorization.

130322557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 130322557 is about 11415.8905478285. The cubic root of 130322557 is about 506.9983323488.

Adding to 130322557 its reverse (755223031), we get a palindrome (885545588).

The spelling of 130322557 in words is "one hundred thirty million, three hundred twenty-two thousand, five hundred fifty-seven".