254232021 has 16 divisors (see below), whose sum is σ = 348143040. Its totient is φ = 164926080.

The previous prime is 254231993. The next prime is 254232037. The reversal of 254232021 is 120232452.

It is not a de Polignac number, because 254232021 - 2¹³ = 254223829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254232061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49071 + ... + 54003.

It is an arithmetic number, because the mean of its divisors is an integer number (21758940).

Almost surely, 2^254232021 is an apocalyptic number.

It is an amenable number.

254232021 is a deficient number, since it is larger than the sum of its proper divisors (93911019).

254232021 is a wasteful number, since it uses less digits than its factorization.

254232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396.

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

The square root of 254232021 is about 15944.6549351185. The cubic root of 254232021 is about 633.4953284287.

Adding to 254232021 its reverse (120232452), we get a palindrome (374464473).

The spelling of 254232021 in words is "two hundred fifty-four million, two hundred thirty-two thousand, twenty-one".