257545103 has 8 divisors (see below), whose sum is σ = 264032208. Its totient is φ = 251080704.

The previous prime is 257545061. The next prime is 257545151. The reversal of 257545103 is 301545752.

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

It is a cyclic number.

It is not a de Polignac number, because 257545103 - 2⁶ = 257545039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 257545103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257545003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18575 + ... + 29327.

It is an arithmetic number, because the mean of its divisors is an integer number (33004026).

Almost surely, 2^257545103 is an apocalyptic number.

257545103 is a deficient number, since it is larger than the sum of its proper divisors (6487105).

257545103 is a wasteful number, since it uses less digits than its factorization.

257545103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11353.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 257545103 is about 16048.2118318522. The cubic root of 257545103 is about 636.2353062765.

The spelling of 257545103 in words is "two hundred fifty-seven million, five hundred forty-five thousand, one hundred three".