2521153652 has 24 divisors (see below), whose sum is σ = 4686514056. Its totient is φ = 1182624768.

The previous prime is 2521153633. The next prime is 2521153667. The reversal of 2521153652 is 2563511252.

It can be written as a sum of positive squares in 4 ways, for example, as 36529936 + 2484623716 = 6044^2 + 49846^2 .

It is a congruent number.

It is an unprimeable number.

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, 37943 + ... + 80510.

It is an arithmetic number, because the mean of its divisors is an integer number (195271419).

Almost surely, 2^2521153652 is an apocalyptic number.

It is an amenable number.

2521153652 is a deficient number, since it is larger than the sum of its proper divisors (2165360404).

2521153652 is a wasteful number, since it uses less digits than its factorization.

2521153652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118787 (or 118785 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 2521153652 is about 50211.0909262087. The cubic root of 2521153652 is about 1361.0260516813.

The spelling of 2521153652 in words is "two billion, five hundred twenty-one million, one hundred fifty-three thousand, six hundred fifty-two".