2130757 has 2 divisors, whose sum is σ = 2130758. Its totient is φ = 2130756.

The previous prime is 2130727. The next prime is 2130767. The reversal of 2130757 is 7570312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2114116 + 16641 = 1454^2 + 129^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130757 - 2¹⁵ = 2097989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065378 + 1065379.

It is an arithmetic number, because the mean of its divisors is an integer number (1065379).

2^2130757 is an apocalyptic number.

It is an amenable number.

2130757 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130757 is an equidigital number, since it uses as much as digits as its factorization.

2130757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 2130757 is about 1459.7112728208. The cubic root of 2130757 is about 128.6800757709.

The spelling of 2130757 in words is "two million, one hundred thirty thousand, seven hundred fifty-seven".