35432021 has 2 divisors, whose sum is σ = 35432022. Its totient is φ = 35432020.

The previous prime is 35432009. The next prime is 35432027. The reversal of 35432021 is 12023453.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31080625 + 4351396 = 5575^2 + 2086^2 .

It is a cyclic number.

It is not a de Polignac number, because 35432021 - 2¹⁸ = 35169877 is a prime.

It is a super-2 number, since 2×35432021² = 2510856224288882, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 35431984 and 35432002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35432027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17716010 + 17716011.

It is an arithmetic number, because the mean of its divisors is an integer number (17716011).

Almost surely, 2^35432021 is an apocalyptic number.

It is an amenable number.

35432021 is a deficient number, since it is larger than the sum of its proper divisors (1).

35432021 is an equidigital number, since it uses as much as digits as its factorization.

35432021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 35432021 is about 5952.4802393624. The cubic root of 35432021 is about 328.4470066576.

Adding to 35432021 its reverse (12023453), we get a palindrome (47455474).

The spelling of 35432021 in words is "thirty-five million, four hundred thirty-two thousand, twenty-one".