1528846725 has 48 divisors (see below), whose sum is σ = 2956017152. Its totient is φ = 682637760.

The previous prime is 1528846699. The next prime is 1528846729. The reversal of 1528846725 is 5276488251.

It is not a de Polignac number, because 1528846725 - 2¹¹ = 1528844677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528846729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11287 + ... + 56436.

Almost surely, 2^1528846725 is an apocalyptic number.

1528846725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1528846725 is the 22575-th octagonal number.

It is an amenable number.

1528846725 is a deficient number, since it is larger than the sum of its proper divisors (1427170427).

1528846725 is a wasteful number, since it uses less digits than its factorization.

1528846725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67786 (or 67781 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The square root of 1528846725 is about 39100.4696263357. The cubic root of 1528846725 is about 1152.0057561139.

It can be divided in two parts, 1528 and 846725, that added together give a triangular number (848253 = T₁₃₀₂).

The spelling of 1528846725 in words is "one billion, five hundred twenty-eight million, eight hundred forty-six thousand, seven hundred twenty-five".