2528748146 has 8 divisors (see below), whose sum is σ = 3812776284. Its totient is φ = 1257822720.

The previous prime is 2528748127. The next prime is 2528748149. The reversal of 2528748146 is 6418478252.

2528748146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2033017921 + 495730225 = 45089^2 + 22265^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2528748146.

It is not an unprimeable number, because it can be changed into a prime (2528748149) 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, 3275195 + ... + 3275966.

Almost surely, 2^2528748146 is an apocalyptic number.

2528748146 is a deficient number, since it is larger than the sum of its proper divisors (1284028138).

2528748146 is a wasteful number, since it uses less digits than its factorization.

2528748146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551356.

The product of its digits is 860160, while the sum is 47.

The square root of 2528748146 is about 50286.6597220376. The cubic root of 2528748146 is about 1362.3912921265.

The spelling of 2528748146 in words is "two billion, five hundred twenty-eight million, seven hundred forty-eight thousand, one hundred forty-six".