35421569 has 2 divisors, whose sum is σ = 35421570. Its totient is φ = 35421568.

The previous prime is 35421559. The next prime is 35421599. The reversal of 35421569 is 96512453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20367169 + 15054400 = 4513^2 + 3880^2 .

It is a cyclic number.

It is not a de Polignac number, because 35421569 - 2¹⁶ = 35356033 is a prime.

It is a super-3 number, since 3×35421569³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (35421559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17710784 + 17710785.

It is an arithmetic number, because the mean of its divisors is an integer number (17710785).

Almost surely, 2^35421569 is an apocalyptic number.

It is an amenable number.

35421569 is a deficient number, since it is larger than the sum of its proper divisors (1).

35421569 is an equidigital number, since it uses as much as digits as its factorization.

35421569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 35421569 is about 5951.6022212510. The cubic root of 35421569 is about 328.4147075712.

The spelling of 35421569 in words is "thirty-five million, four hundred twenty-one thousand, five hundred sixty-nine".