254052421 has 4 divisors (see below), whose sum is σ = 290345632. Its totient is φ = 217759212.

The previous prime is 254052419. The next prime is 254052427. The reversal of 254052421 is 124250452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254052421 - 2¹ = 254052419 is a prime.

It is a super-2 number, since 2×254052421² = 129085265231922482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254052427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18146595 + ... + 18146608.

It is an arithmetic number, because the mean of its divisors is an integer number (72586408).

Almost surely, 2^254052421 is an apocalyptic number.

It is an amenable number.

254052421 is a deficient number, since it is larger than the sum of its proper divisors (36293211).

254052421 is an equidigital number, since it uses as much as digits as its factorization.

254052421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36293210.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 254052421 is about 15939.0219587025. The cubic root of 254052421 is about 633.3461175320.

The spelling of 254052421 in words is "two hundred fifty-four million, fifty-two thousand, four hundred twenty-one".