35142643 has 4 divisors (see below), whose sum is σ = 36670608. Its totient is φ = 33614680.

The previous prime is 35142641. The next prime is 35142659. The reversal of 35142643 is 34624153.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 35142643 - 2¹ = 35142641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35142641) 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, 763948 + ... + 763993.

It is an arithmetic number, because the mean of its divisors is an integer number (9167652).

Almost surely, 2^35142643 is an apocalyptic number.

35142643 is a deficient number, since it is larger than the sum of its proper divisors (1527965).

35142643 is a wasteful number, since it uses less digits than its factorization.

35142643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527964.

The product of its digits is 8640, while the sum is 28.

The square root of 35142643 is about 5928.1230587767. The cubic root of 35142643 is about 327.5504046111.

Adding to 35142643 its reverse (34624153), we get a palindrome (69766796).

The spelling of 35142643 in words is "thirty-five million, one hundred forty-two thousand, six hundred forty-three".