42153535 has 8 divisors (see below), whose sum is σ = 51818256. Its totient is φ = 32900160.

The previous prime is 42153493. The next prime is 42153541. The reversal of 42153535 is 53535124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42153535 - 2¹³ = 42145343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102609 + ... + 103018.

It is an arithmetic number, because the mean of its divisors is an integer number (6477282).

Almost surely, 2^42153535 is an apocalyptic number.

42153535 is a deficient number, since it is larger than the sum of its proper divisors (9664721).

42153535 is a wasteful number, since it uses less digits than its factorization.

42153535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205673.

The product of its digits is 9000, while the sum is 28.

The square root of 42153535 is about 6492.5753749957. The cubic root of 42153535 is about 348.0257142887.

Adding to 42153535 its reverse (53535124), we get a palindrome (95688659).

It can be divided in two parts, 4215 and 3535, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 42153535 in words is "forty-two million, one hundred fifty-three thousand, five hundred thirty-five".