257225414 has 8 divisors (see below), whose sum is σ = 398284608. Its totient is φ = 124463880.

The previous prime is 257225413. The next prime is 257225489. The reversal of 257225414 is 414522752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257225411) 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, 2074337 + ... + 2074460.

It is an arithmetic number, because the mean of its divisors is an integer number (49785576).

Almost surely, 2^257225414 is an apocalyptic number.

257225414 is a deficient number, since it is larger than the sum of its proper divisors (141059194).

257225414 is a wasteful number, since it uses less digits than its factorization.

257225414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148830.

The product of its digits is 22400, while the sum is 32.

The square root of 257225414 is about 16038.2484704534. The cubic root of 257225414 is about 635.9719457451.

The spelling of 257225414 in words is "two hundred fifty-seven million, two hundred twenty-five thousand, four hundred fourteen".