2528745267 has 6 divisors (see below), whose sum is σ = 3371776492. Its totient is φ = 1685772112.

The previous prime is 2528745259. The next prime is 2528745287. The reversal of 2528745267 is 7625478252.

It is not a de Polignac number, because 2528745267 - 2³ = 2528745259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528745217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72583 + ... + 101615.

Almost surely, 2^2528745267 is an apocalyptic number.

2528745267 is a deficient number, since it is larger than the sum of its proper divisors (843031225).

2528745267 is an frugal number, since it uses more digits than its factorization.

2528745267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58069 (or 29036 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 48.

The square root of 2528745267 is about 50286.6310961472. The cubic root of 2528745267 is about 1362.3907750952.

Multiplying 2528745267 by its sum of digits (48), we get a square (121379772816 = 348396²).

The spelling of 2528745267 in words is "two billion, five hundred twenty-eight million, seven hundred forty-five thousand, two hundred sixty-seven".