7013521153 has 4 divisors (see below), whose sum is σ = 7255366740. Its totient is φ = 6771675568.

The previous prime is 7013521121. The next prime is 7013521157. The reversal of 7013521153 is 3511253107.

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 2808258049 + 4205263104 = 52993^2 + 64848^2 .

It is a cyclic number.

It is not a de Polignac number, because 7013521153 - 2⁵ = 7013521121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7013521157) 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, 120922750 + ... + 120922807.

It is an arithmetic number, because the mean of its divisors is an integer number (1813841685).

Almost surely, 2^7013521153 is an apocalyptic number.

It is an amenable number.

7013521153 is a deficient number, since it is larger than the sum of its proper divisors (241845587).

7013521153 is a wasteful number, since it uses less digits than its factorization.

7013521153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241845586.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 7013521153 is about 83746.7680152494. The cubic root of 7013521153 is about 1914.1620589378.

The spelling of 7013521153 in words is "seven billion, thirteen million, five hundred twenty-one thousand, one hundred fifty-three".