2500527561 has 8 divisors (see below), whose sum is σ = 3810327744. Its totient is φ = 1428872880.

The previous prime is 2500527559. The next prime is 2500527571. The reversal of 2500527561 is 1657250052.

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

It is not a de Polignac number, because 2500527561 - 2¹ = 2500527559 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2500527571) 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 7 ways as a sum of consecutive naturals, for example, 59536350 + ... + 59536391.

It is an arithmetic number, because the mean of its divisors is an integer number (476290968).

Almost surely, 2^2500527561 is an apocalyptic number.

2500527561 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2500527561 is a deficient number, since it is larger than the sum of its proper divisors (1309800183).

2500527561 is a wasteful number, since it uses less digits than its factorization.

2500527561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119072751.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 2500527561 is about 50005.2753317088. The cubic root of 2500527561 is about 1357.3042696410.

The spelling of 2500527561 in words is "two billion, five hundred million, five hundred twenty-seven thousand, five hundred sixty-one".