2575196477257 has 16 divisors (see below), whose sum is σ = 2795739326352. Its totient is φ = 2362435246080.

The previous prime is 2575196477233. The next prime is 2575196477311. The reversal of 2575196477257 is 7527746915752.

It can be written as a sum of positive squares in 8 ways, for example, as 19767235216 + 2555429242041 = 140596^2 + 1598571^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575196477257 - 2³⁵ = 2540836738889 is a prime.

It is a super-3 number, since 3×2575196477257³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2575196477192 and 2575196477201.

It is not an unprimeable number, because it can be changed into a prime (2575196477207) 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, 928338 + ... + 2451979.

It is an arithmetic number, because the mean of its divisors is an integer number (174733707897).

Almost surely, 2^{2575196477257} is an apocalyptic number.

It is an amenable number.

2575196477257 is a deficient number, since it is larger than the sum of its proper divisors (220542849095).

2575196477257 is a wasteful number, since it uses less digits than its factorization.

2575196477257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381468.

The product of its digits is 259308000, while the sum is 67.

The spelling of 2575196477257 in words is "two trillion, five hundred seventy-five billion, one hundred ninety-six million, four hundred seventy-seven thousand, two hundred fifty-seven".