257523250003 has 16 divisors (see below), whose sum is σ = 270565539840. Its totient is φ = 244788314400.

The previous prime is 257523249913. The next prime is 257523250031. The reversal of 257523250003 is 300052325752.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-257523250003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (257523250093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264926 + ... + 1454332.

It is an arithmetic number, because the mean of its divisors is an integer number (16910346240).

Almost surely, 2^257523250003 is an apocalyptic number.

257523250003 is a deficient number, since it is larger than the sum of its proper divisors (13042289837).

257523250003 is a wasteful number, since it uses less digits than its factorization.

257523250003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190218.

The product of its (nonzero) digits is 63000, while the sum is 34.

Adding to 257523250003 its reverse (300052325752), we get a palindrome (557575575755).

The spelling of 257523250003 in words is "two hundred fifty-seven billion, five hundred twenty-three million, two hundred fifty thousand, three".