35430021 has 16 divisors (see below), whose sum is σ = 57261120. Its totient is φ = 21472560.

The previous prime is 35430013. The next prime is 35430047. The reversal of 35430021 is 12003453.

It is not a de Polignac number, because 35430021 - 2³ = 35430013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 35429976 and 35430003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35430001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59350 + ... + 59943.

It is an arithmetic number, because the mean of its divisors is an integer number (3578820).

Almost surely, 2^35430021 is an apocalyptic number.

It is an amenable number.

35430021 is a deficient number, since it is larger than the sum of its proper divisors (21831099).

35430021 is a wasteful number, since it uses less digits than its factorization.

35430021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119313 (or 119307 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 35430021 is about 5952.3122397939. The cubic root of 35430021 is about 328.4408266887.

Adding to 35430021 its reverse (12003453), we get a palindrome (47433474).

The spelling of 35430021 in words is "thirty-five million, four hundred thirty thousand, twenty-one".