404132025 has 48 divisors (see below), whose sum is σ = 731381760. Its totient is φ = 195278400.

The previous prime is 404131969. The next prime is 404132051. The reversal of 404132025 is 520231404.

It is not a de Polignac number, because 404132025 - 2¹⁸ = 403869881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404131992 and 404132010.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315336 + ... + 316614.

It is an arithmetic number, because the mean of its divisors is an integer number (15237120).

Almost surely, 2^404132025 is an apocalyptic number.

It is an amenable number.

404132025 is a deficient number, since it is larger than the sum of its proper divisors (327249735).

404132025 is a wasteful number, since it uses less digits than its factorization.

404132025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 404132025 is about 20103.0352185932. The cubic root of 404132025 is about 739.3346984810.

Adding to 404132025 its reverse (520231404), we get a palindrome (924363429).

The spelling of 404132025 in words is "four hundred four million, one hundred thirty-two thousand, twenty-five".