2527486021 has 4 divisors (see below), whose sum is σ = 2595796492. Its totient is φ = 2459175552.

The previous prime is 2527486007. The next prime is 2527486057. The reversal of 2527486021 is 1206847252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2217373921 + 310112100 = 47089^2 + 17610^2 .

It is a cyclic number.

It is not a de Polignac number, because 2527486021 - 2¹³ = 2527477829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 68310433 = 2527486021 / (2 + 5 + 2 + 7 + 4 + 8 + 6 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2527486321) 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 3 ways as a sum of consecutive naturals, for example, 34155180 + ... + 34155253.

It is an arithmetic number, because the mean of its divisors is an integer number (648949123).

Almost surely, 2^2527486021 is an apocalyptic number.

It is an amenable number.

2527486021 is a deficient number, since it is larger than the sum of its proper divisors (68310471).

2527486021 is an equidigital number, since it uses as much as digits as its factorization.

2527486021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68310470.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 2527486021 is about 50274.1088533651. The cubic root of 2527486021 is about 1362.1645930954.

The spelling of 2527486021 in words is "two billion, five hundred twenty-seven million, four hundred eighty-six thousand, twenty-one".