2925281 has 2 divisors, whose sum is σ = 2925282. Its totient is φ = 2925280.

The previous prime is 2925211. The next prime is 2925313. The reversal of 2925281 is 1825292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2588881 + 336400 = 1609^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2925281 - 2¹⁸ = 2663137 is a prime.

It is a super-2 number, since 2×2925281² = 17114537857922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2925211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1462640 + 1462641.

It is an arithmetic number, because the mean of its divisors is an integer number (1462641).

2^2925281 is an apocalyptic number.

It is an amenable number.

2925281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2925281 is an equidigital number, since it uses as much as digits as its factorization.

2925281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 2925281 is about 1710.3452867769. The cubic root of 2925281 is about 143.0175048257.

The spelling of 2925281 in words is "two million, nine hundred twenty-five thousand, two hundred eighty-one".