1616325 has 24 divisors (see below), whose sum is σ = 2791488. Its totient is φ = 823680.

The previous prime is 1616297. The next prime is 1616347. The reversal of 1616325 is 5236161.

It is not a de Polignac number, because 1616325 - 2¹³ = 1608133 is a prime.

It is a super-2 number, since 2×1616325² = 5225013011250, which contains 22 as substring.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1616295 and 1616304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1257 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (116312).

2^1616325 is an apocalyptic number.

1616325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1616325 is a deficient number, since it is larger than the sum of its proper divisors (1175163).

1616325 is a wasteful number, since it uses less digits than its factorization.

1616325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 968 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 1616325 is about 1271.3477101092. The cubic root of 1616325 is about 117.3571524976.

The spelling of 1616325 in words is "one million, six hundred sixteen thousand, three hundred twenty-five".