35052021 has 12 divisors (see below), whose sum is σ = 52506272. Its totient is φ = 23367852.

The previous prime is 35052019. The next prime is 35052029. The reversal of 35052021 is 12025053.

It is a happy number.

It is not a de Polignac number, because 35052021 - 2¹ = 35052019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35051985 and 35052003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35052029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71881 + ... + 72366.

Almost surely, 2^35052021 is an apocalyptic number.

It is an amenable number.

35052021 is a deficient number, since it is larger than the sum of its proper divisors (17454251).

35052021 is an equidigital number, since it uses as much as digits as its factorization.

35052021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144262 (or 144250 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 35052021 is about 5920.4747275873. The cubic root of 35052021 is about 327.2686118801.

Adding to 35052021 its reverse (12025053), we get a palindrome (47077074).

The spelling of 35052021 in words is "thirty-five million, fifty-two thousand, twenty-one".