35052721 has 4 divisors (see below), whose sum is σ = 38239344. Its totient is φ = 31866100.

The previous prime is 35052707. The next prime is 35052733. The reversal of 35052721 is 12725053.

35052721 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12725053 = 11 ⋅1156823.

It is a cyclic number.

It is not a de Polignac number, because 35052721 - 2⁷ = 35052593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (35052751) 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, 1593295 + ... + 1593316.

It is an arithmetic number, because the mean of its divisors is an integer number (9559836).

Almost surely, 2^35052721 is an apocalyptic number.

It is an amenable number.

35052721 is a deficient number, since it is larger than the sum of its proper divisors (3186623).

35052721 is a wasteful number, since it uses less digits than its factorization.

35052721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186622.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 35052721 is about 5920.5338441732. The cubic root of 35052721 is about 327.2707904183.

Adding to 35052721 its reverse (12725053), we get a palindrome (47777774).

It can be divided in two parts, 3505 and 2721, that added together give a palindrome (6226).

The spelling of 35052721 in words is "thirty-five million, fifty-two thousand, seven hundred twenty-one".