1225493 has 2 divisors, whose sum is σ = 1225494. Its totient is φ = 1225492.

The previous prime is 1225459. The next prime is 1225501. The reversal of 1225493 is 3945221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1067089 + 158404 = 1033^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225493 - 2¹⁸ = 963349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612746 + 612747.

It is an arithmetic number, because the mean of its divisors is an integer number (612747).

2^1225493 is an apocalyptic number.

It is an amenable number.

1225493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225493 is an equidigital number, since it uses as much as digits as its factorization.

1225493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 1225493 is about 1107.0198733537. The cubic root of 1225493 is about 107.0130999770.

The spelling of 1225493 in words is "one million, two hundred twenty-five thousand, four hundred ninety-three".