130215751 has 2 divisors, whose sum is σ = 130215752. Its totient is φ = 130215750.

The previous prime is 130215737. The next prime is 130215763. The reversal of 130215751 is 157512031.

It is a strong prime.

It is an emirp because it is prime and its reverse (157512031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130215751 - 2¹¹ = 130213703 is a prime.

It is a super-2 number, since 2×130215751² = 33912283616988002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130215791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65107875 + 65107876.

It is an arithmetic number, because the mean of its divisors is an integer number (65107876).

Almost surely, 2^130215751 is an apocalyptic number.

130215751 is a deficient number, since it is larger than the sum of its proper divisors (1).

130215751 is an equidigital number, since it uses as much as digits as its factorization.

130215751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 130215751 is about 11411.2116359307. The cubic root of 130215751 is about 506.8597908077.

Adding to 130215751 its reverse (157512031), we get a palindrome (287727782).

The spelling of 130215751 in words is "one hundred thirty million, two hundred fifteen thousand, seven hundred fifty-one".