2575971497 has 4 divisors (see below), whose sum is σ = 2810150736. Its totient is φ = 2341792260.

The previous prime is 2575971439. The next prime is 2575971499. The reversal of 2575971497 is 7941795752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2575971497 - 2⁸ = 2575971241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2575971499) 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, 117089603 + ... + 117089624.

It is an arithmetic number, because the mean of its divisors is an integer number (702537684).

Almost surely, 2^2575971497 is an apocalyptic number.

It is an amenable number.

2575971497 is a deficient number, since it is larger than the sum of its proper divisors (234179239).

2575971497 is a wasteful number, since it uses less digits than its factorization.

2575971497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234179238.

The product of its digits is 5556600, while the sum is 56.

The square root of 2575971497 is about 50754.0293671350. The cubic root of 2575971497 is about 1370.8197443671.

The spelling of 2575971497 in words is "two billion, five hundred seventy-five million, nine hundred seventy-one thousand, four hundred ninety-seven".