2267521 has 2 divisors, whose sum is σ = 2267522. Its totient is φ = 2267520.

The previous prime is 2267509. The next prime is 2267533. The reversal of 2267521 is 1257622.

It is a balanced prime because it is at equal distance from previous prime (2267509) and next prime (2267533).

It can be written as a sum of positive squares in only one way, i.e., 1185921 + 1081600 = 1089^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2267521 - 2¹³ = 2259329 is a prime.

It is not a weakly prime, because it can be changed into another prime (2267561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133760 + 1133761.

It is an arithmetic number, because the mean of its divisors is an integer number (1133761).

2^2267521 is an apocalyptic number.

It is an amenable number.

2267521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2267521 is an equidigital number, since it uses as much as digits as its factorization.

2267521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 25.

The square root of 2267521 is about 1505.8290075570. The cubic root of 2267521 is about 131.3763240319.

The spelling of 2267521 in words is "two million, two hundred sixty-seven thousand, five hundred twenty-one".