1555325 has 6 divisors (see below), whose sum is σ = 1928634. Its totient is φ = 1244240.

The previous prime is 1555319. The next prime is 1555327. The reversal of 1555325 is 5235551.

It can be written as a sum of positive squares in 3 ways, for example, as 2809 + 1552516 = 53^2 + 1246^2 .

It is not a de Polignac number, because 1555325 - 2⁶ = 1555261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1555294 and 1555303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1555327) 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, 31082 + ... + 31131.

It is an arithmetic number, because the mean of its divisors is an integer number (321439).

2^1555325 is an apocalyptic number.

It is an amenable number.

1555325 is a deficient number, since it is larger than the sum of its proper divisors (373309).

1555325 is an equidigital number, since it uses as much as digits as its factorization.

1555325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62223 (or 62218 counting only the distinct ones).

The product of its digits is 3750, while the sum is 26.

The square root of 1555325 is about 1247.1266976535. The cubic root of 1555325 is about 115.8618301378.

The spelling of 1555325 in words is "one million, five hundred fifty-five thousand, three hundred twenty-five".