257752505053 has 8 divisors (see below), whose sum is σ = 258479309088. Its totient is φ = 257026449264.

The previous prime is 257752505051. The next prime is 257752505113. The reversal of 257752505053 is 350505257752.

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 257752505053 - 2¹ = 257752505051 is a prime.

It is a super-2 number, since 2×257752505053² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 257752504994 and 257752505012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257752505051) 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, 506475 + ... + 878647.

It is an arithmetic number, because the mean of its divisors is an integer number (32309913636).

Almost surely, 2^257752505053 is an apocalyptic number.

It is an amenable number.

257752505053 is a deficient number, since it is larger than the sum of its proper divisors (726804035).

257752505053 is a wasteful number, since it uses less digits than its factorization.

257752505053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374123.

The product of its (nonzero) digits is 1837500, while the sum is 46.

The spelling of 257752505053 in words is "two hundred fifty-seven billion, seven hundred fifty-two million, five hundred five thousand, fifty-three".