2575997427 has 6 divisors (see below), whose sum is σ = 3434780452. Its totient is φ = 1717273012.

The previous prime is 2575997423. The next prime is 2575997429. The reversal of 2575997427 is 7247995752.

It is a happy number.

It is not a de Polignac number, because 2575997427 - 2² = 2575997423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2575997423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73258 + ... + 102560.

Almost surely, 2^2575997427 is an apocalyptic number.

2575997427 is a deficient number, since it is larger than the sum of its proper divisors (858783025).

2575997427 is an frugal number, since it uses more digits than its factorization.

2575997427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58609 (or 29306 counting only the distinct ones).

The product of its digits is 11113200, while the sum is 57.

The square root of 2575997427 is about 50754.2848141908. The cubic root of 2575997427 is about 1370.8243439569.

The spelling of 2575997427 in words is "two billion, five hundred seventy-five million, nine hundred ninety-seven thousand, four hundred twenty-seven".