1618325 has 12 divisors (see below), whose sum is σ = 2112960. Its totient is φ = 1226160.

The previous prime is 1618319. The next prime is 1618327. The reversal of 1618325 is 5238161.

It is not a de Polignac number, because 1618325 - 2⁶ = 1618261 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1618294 and 1618303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1229 + ... + 2178.

It is an arithmetic number, because the mean of its divisors is an integer number (176080).

2^1618325 is an apocalyptic number.

It is an amenable number.

1618325 is a deficient number, since it is larger than the sum of its proper divisors (494635).

1618325 is a wasteful number, since it uses less digits than its factorization.

1618325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436 (or 3431 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 1618325 is about 1272.1340338188. The cubic root of 1618325 is about 117.4055374782.

The spelling of 1618325 in words is "one million, six hundred eighteen thousand, three hundred twenty-five".