232021425 has 24 divisors (see below), whose sum is σ = 384045856. Its totient is φ = 123603840.

The previous prime is 232021417. The next prime is 232021451. The reversal of 232021425 is 524120232.

It is not a de Polignac number, because 232021425 - 2³ = 232021417 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 123342 + ... + 125208.

Almost surely, 2^232021425 is an apocalyptic number.

232021425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232021425 is a deficient number, since it is larger than the sum of its proper divisors (152024431).

232021425 is a wasteful number, since it uses less digits than its factorization.

232021425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537 (or 3532 counting only the distinct ones).

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

The square root of 232021425 is about 15232.2495055721. The cubic root of 232021425 is about 614.4822796090.

Adding to 232021425 its reverse (524120232), we get a palindrome (756141657).

The spelling of 232021425 in words is "two hundred thirty-two million, twenty-one thousand, four hundred twenty-five".