405411225 has 48 divisors (see below), whose sum is σ = 703562112. Its totient is φ = 205596160.

The previous prime is 405411191. The next prime is 405411229. The reversal of 405411225 is 522114504.

It is not a de Polignac number, because 405411225 - 2¹¹ = 405409177 is a prime.

It is a super-2 number, since 2×405411225² = 328716522712001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 405411195 and 405411204.

It is not an unprimeable number, because it can be changed into a prime (405411229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 339229 + ... + 340421.

It is an arithmetic number, because the mean of its divisors is an integer number (14657544).

Almost surely, 2^405411225 is an apocalyptic number.

It is an amenable number.

405411225 is a deficient number, since it is larger than the sum of its proper divisors (298150887).

405411225 is a wasteful number, since it uses less digits than its factorization.

405411225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 405411225 is about 20134.8261725797. The cubic root of 405411225 is about 740.1139494601.

Adding to 405411225 its reverse (522114504), we get a palindrome (927525729).

The spelling of 405411225 in words is "four hundred five million, four hundred eleven thousand, two hundred twenty-five".