2528178097 has 8 divisors (see below), whose sum is σ = 2548457856. Its totient is φ = 2507959872.

The previous prime is 2528178083. The next prime is 2528178127. The reversal of 2528178097 is 7908718252.

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 2528178097 - 2⁷ = 2528177969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2528178097.

It is not an unprimeable number, because it can be changed into a prime (2528178047) 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, 68953 + ... + 99049.

It is an arithmetic number, because the mean of its divisors is an integer number (318557232).

Almost surely, 2^2528178097 is an apocalyptic number.

It is an amenable number.

2528178097 is a deficient number, since it is larger than the sum of its proper divisors (20279759).

2528178097 is a wasteful number, since it uses less digits than its factorization.

2528178097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30767.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 2528178097 is about 50280.9914082847. The cubic root of 2528178097 is about 1362.2889110122.

It can be divided in two parts, 2528 and 178097, that added together give a square (180625 = 425²).

The spelling of 2528178097 in words is "two billion, five hundred twenty-eight million, one hundred seventy-eight thousand, ninety-seven".