324405025 has 12 divisors (see below), whose sum is σ = 459728512. Its totient is φ = 222449040.

The previous prime is 324405023. The next prime is 324405043. The reversal of 324405025 is 520504423.

It is not a de Polignac number, because 324405025 - 2¹ = 324405023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324405023) 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, 926697 + ... + 927046.

Almost surely, 2^324405025 is an apocalyptic number.

324405025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

324405025 is a deficient number, since it is larger than the sum of its proper divisors (135323487).

324405025 is a wasteful number, since it uses less digits than its factorization.

324405025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853760 (or 1853755 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 324405025 is about 18011.2471805814. The cubic root of 324405025 is about 687.1146225849.

Adding to 324405025 its reverse (520504423), we get a palindrome (844909448).

It can be divided in two parts, 324 and 405025, that multiplied together give a triangular number (131228100 = T₁₆₂₀₀).

The spelling of 324405025 in words is "three hundred twenty-four million, four hundred five thousand, twenty-five".