35625521 has 4 divisors (see below), whose sum is σ = 35677044. Its totient is φ = 35574000.

The previous prime is 35625517. The next prime is 35625529. The reversal of 35625521 is 12552653.

It is a happy number.

35625521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12552653 = 3529 ⋅3557.

It can be written as a sum of positive squares in 2 ways, for example, as 33408400 + 2217121 = 5780^2 + 1489^2 .

It is a cyclic number.

It is not a de Polignac number, because 35625521 - 2² = 35625517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35625529) 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, 24710 + ... + 26111.

It is an arithmetic number, because the mean of its divisors is an integer number (8919261).

Almost surely, 2^35625521 is an apocalyptic number.

It is an amenable number.

35625521 is a deficient number, since it is larger than the sum of its proper divisors (51523).

35625521 is an equidigital number, since it uses as much as digits as its factorization.

35625521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51522.

The product of its digits is 9000, while the sum is 29.

The square root of 35625521 is about 5968.7118375743. The cubic root of 35625521 is about 329.0438222870.

The spelling of 35625521 in words is "thirty-five million, six hundred twenty-five thousand, five hundred twenty-one".