1613325 has 36 divisors (see below), whose sum is σ = 3109920. Its totient is φ = 735840.

The previous prime is 1613323. The next prime is 1613329. The reversal of 1613325 is 5233161.

It is not a de Polignac number, because 1613325 - 2¹ = 1613323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613321) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3456 + ... + 3894.

2^1613325 is an apocalyptic number.

1613325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1613325 is a deficient number, since it is larger than the sum of its proper divisors (1496595).

1613325 is a wasteful number, since it uses less digits than its factorization.

1613325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 454 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 1613325 is about 1270.1673118137. The cubic root of 1613325 is about 117.2845001319.

Adding to 1613325 its reverse (5233161), we get a palindrome (6846486).

It can be divided in two parts, 161 and 3325, that added together give a triangular number (3486 = T₈₃).

The spelling of 1613325 in words is "one million, six hundred thirteen thousand, three hundred twenty-five".