257429116 has 12 divisors (see below), whose sum is σ = 514858288. Its totient is φ = 110326752.

The previous prime is 257429093. The next prime is 257429129. The reversal of 257429116 is 611924752.

257429116 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4596921 + ... + 4596976.

Almost surely, 2^257429116 is an apocalyptic number.

It is an amenable number.

257429116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257429116 is a wasteful number, since it uses less digits than its factorization.

257429116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193908 (or 9193906 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 257429116 is about 16044.5977201050. The cubic root of 257429116 is about 636.1397811246.

The spelling of 257429116 in words is "two hundred fifty-seven million, four hundred twenty-nine thousand, one hundred sixteen".