35253021 has 4 divisors (see below), whose sum is σ = 47004032. Its totient is φ = 23502012.

The previous prime is 35253013. The next prime is 35253047. The reversal of 35253021 is 12035253.

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.

It is not a de Polignac number, because 35253021 - 2³ = 35253013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35253221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5875501 + ... + 5875506.

It is an arithmetic number, because the mean of its divisors is an integer number (11751008).

Almost surely, 2^35253021 is an apocalyptic number.

It is an amenable number.

35253021 is a deficient number, since it is larger than the sum of its proper divisors (11751011).

35253021 is a wasteful number, since it uses less digits than its factorization.

35253021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11751010.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 35253021 is about 5937.4254521636. The cubic root of 35253021 is about 327.8929758152.

Adding to 35253021 its reverse (12035253), we get a palindrome (47288274).

The spelling of 35253021 in words is "thirty-five million, two hundred fifty-three thousand, twenty-one".