254013421 has 4 divisors (see below), whose sum is σ = 254248192. Its totient is φ = 253778652.

The previous prime is 254013401. The next prime is 254013433. The reversal of 254013421 is 124310452.

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 254013421 - 2²⁵ = 220458989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254013392 and 254013401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254013401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115755 + ... + 117928.

It is an arithmetic number, because the mean of its divisors is an integer number (63562048).

Almost surely, 2^254013421 is an apocalyptic number.

It is an amenable number.

254013421 is a deficient number, since it is larger than the sum of its proper divisors (234771).

254013421 is a wasteful number, since it uses less digits than its factorization.

254013421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234770.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 254013421 is about 15937.7984991654. The cubic root of 254013421 is about 633.3137072096.

Adding to 254013421 its reverse (124310452), we get a palindrome (378323873).

The spelling of 254013421 in words is "two hundred fifty-four million, thirteen thousand, four hundred twenty-one".