257114421 has 12 divisors (see below), whose sum is σ = 374313472. Its totient is φ = 170059176.

The previous prime is 257114413. The next prime is 257114423. The reversal of 257114421 is 124411752.

257114421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 257114421 - 2³ = 257114413 is a prime.

It is a super-3 number, since 3×257114421³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257114423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111331 + ... + 113616.

Almost surely, 2^257114421 is an apocalyptic number.

It is an amenable number.

257114421 is a deficient number, since it is larger than the sum of its proper divisors (117199051).

257114421 is a wasteful number, since it uses less digits than its factorization.

257114421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225080 (or 225077 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 257114421 is about 16034.7878376984. The cubic root of 257114421 is about 635.8804584273.

The spelling of 257114421 in words is "two hundred fifty-seven million, one hundred fourteen thousand, four hundred twenty-one".