254021332 has 6 divisors (see below), whose sum is σ = 444537338. Its totient is φ = 127010664.

The previous prime is 254021291. The next prime is 254021333. The reversal of 254021332 is 233120452.

It can be written as a sum of positive squares in only one way, i.e., 243484816 + 10536516 = 15604^2 + 3246^2 .

It is a super-2 number, since 2×254021332² = 129053674222108448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254021333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31752663 + ... + 31752670.

Almost surely, 2^254021332 is an apocalyptic number.

It is an amenable number.

254021332 is a deficient number, since it is larger than the sum of its proper divisors (190516006).

254021332 is a wasteful number, since it uses less digits than its factorization.

254021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63505337 (or 63505335 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 254021332 is about 15938.0466808201. The cubic root of 254021332 is about 633.3202817871.

Adding to 254021332 its reverse (233120452), we get a palindrome (487141784).

The spelling of 254021332 in words is "two hundred fifty-four million, twenty-one thousand, three hundred thirty-two".