1225593 has 6 divisors (see below), whose sum is σ = 1770314. Its totient is φ = 817056.

The previous prime is 1225591. The next prime is 1225603. The reversal of 1225593 is 3955221.

It can be written as a sum of positive squares in only one way, i.e., 1225449 + 144 = 1107^2 + 12^2 .

It is not a de Polignac number, because 1225593 - 2¹ = 1225591 is a prime.

It is an Ulam number.

It is a Duffinian number.

1225593 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1225591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68080 + ... + 68097.

2^1225593 is an apocalyptic number.

It is an amenable number.

1225593 is a deficient number, since it is larger than the sum of its proper divisors (544721).

1225593 is a wasteful number, since it uses less digits than its factorization.

1225593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136183 (or 136180 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1225593 is about 1107.0650387398. The cubic root of 1225593 is about 107.0160106475.

The spelling of 1225593 in words is "one million, two hundred twenty-five thousand, five hundred ninety-three".