2528262685 has 8 divisors (see below), whose sum is σ = 3267293400. Its totient is φ = 1867024704.

The previous prime is 2528262679. The next prime is 2528262697. The reversal of 2528262685 is 5862628252.

2528262685 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 4 ways, for example, as 76230361 + 2452032324 = 8731^2 + 49518^2 .

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 2528262685 - 2⁹ = 2528262173 is a prime.

It is a super-2 number, since 2×2528262685² = 12784224408726818450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19448110 + ... + 19448239.

It is an arithmetic number, because the mean of its divisors is an integer number (408411675).

Almost surely, 2^2528262685 is an apocalyptic number.

It is an amenable number.

2528262685 is a deficient number, since it is larger than the sum of its proper divisors (739030715).

2528262685 is a wasteful number, since it uses less digits than its factorization.

2528262685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38896367.

The product of its digits is 921600, while the sum is 46.

The square root of 2528262685 is about 50281.8325541144. The cubic root of 2528262685 is about 1362.3041040359.

The spelling of 2528262685 in words is "two billion, five hundred twenty-eight million, two hundred sixty-two thousand, six hundred eighty-five".