2257361 has 2 divisors, whose sum is σ = 2257362. Its totient is φ = 2257360.

The previous prime is 2257319. The next prime is 2257373. The reversal of 2257361 is 1637522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2085136 + 172225 = 1444^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257361 - 2¹⁴ = 2240977 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2257361.

It is not a weakly prime, because it can be changed into another prime (2257301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128680 + 1128681.

It is an arithmetic number, because the mean of its divisors is an integer number (1128681).

2^2257361 is an apocalyptic number.

It is an amenable number.

2257361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257361 is an equidigital number, since it uses as much as digits as its factorization.

2257361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 2257361 is about 1502.4516631160. The cubic root of 2257361 is about 131.1798125109.

The spelling of 2257361 in words is "two million, two hundred fifty-seven thousand, three hundred sixty-one".