2573745525 has 72 divisors (see below), whose sum is σ = 4976244000. Its totient is φ = 1264072320.

The previous prime is 2573745509. The next prime is 2573745539. The reversal of 2573745525 is 5255473752.

2573745525 is a `hidden beast` number, since 2 + 57 + 3 + 74 + 5 + 525 = 666.

It is not a de Polignac number, because 2573745525 - 2⁴ = 2573745509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Together with 2402498475 it forms an amicable pair .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1716226 + ... + 1717724.

It is an arithmetic number, because the mean of its divisors is an integer number (69114500).

Almost surely, 2^2573745525 is an apocalyptic number.

2573745525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2573745525 is a deficient number, since it is larger than the sum of its proper divisors (2402498475).

2573745525 is a wasteful number, since it uses less digits than its factorization.

2573745525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115 (or 2107 counting only the distinct ones).

The product of its digits is 1470000, while the sum is 45.

The square root of 2573745525 is about 50732.0956101756. The cubic root of 2573745525 is about 1370.4247754877.

The spelling of 2573745525 in words is "two billion, five hundred seventy-three million, seven hundred forty-five thousand, five hundred twenty-five".