2930281 has 2 divisors, whose sum is σ = 2930282. Its totient is φ = 2930280.

The previous prime is 2930267. The next prime is 2930287. The reversal of 2930281 is 1820392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2298256 + 632025 = 1516^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 2930281 - 2⁷ = 2930153 is a prime.

It is a super-2 number, since 2×2930281² = 17173093477922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2930287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465140 + 1465141.

It is an arithmetic number, because the mean of its divisors is an integer number (1465141).

2^2930281 is an apocalyptic number.

It is an amenable number.

2930281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2930281 is an equidigital number, since it uses as much as digits as its factorization.

2930281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2930281 is about 1711.8063558709. The cubic root of 2930281 is about 143.0989420725.

The spelling of 2930281 in words is "two million, nine hundred thirty thousand, two hundred eighty-one".