7542897425 has 12 divisors (see below), whose sum is σ = 10689363456. Its totient is φ = 5172272400.

The previous prime is 7542897379. The next prime is 7542897443. The reversal of 7542897425 is 5247982457.

It is not a de Polignac number, because 7542897425 - 2¹⁸ = 7542635281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 21550961 + ... + 21551310.

It is an arithmetic number, because the mean of its divisors is an integer number (890780288).

Almost surely, 2^7542897425 is an apocalyptic number.

It is an amenable number.

7542897425 is a deficient number, since it is larger than the sum of its proper divisors (3146466031).

7542897425 is a wasteful number, since it uses less digits than its factorization.

7542897425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43102288 (or 43102283 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 53.

The square root of 7542897425 is about 86849.8556417914. The cubic root of 7542897425 is about 1961.1586777509.

The spelling of 7542897425 in words is "seven billion, five hundred forty-two million, eight hundred ninety-seven thousand, four hundred twenty-five".