42215435 has 16 divisors (see below), whose sum is σ = 53760000. Its totient is φ = 31733856.

The previous prime is 42215431. The next prime is 42215441. The reversal of 42215435 is 53451224.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42215435 - 2² = 42215431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42215431) 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, 10316 + ... + 13814.

It is an arithmetic number, because the mean of its divisors is an integer number (3360000).

Almost surely, 2^42215435 is an apocalyptic number.

42215435 is a deficient number, since it is larger than the sum of its proper divisors (11544565).

42215435 is a wasteful number, since it uses less digits than its factorization.

42215435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650.

The product of its digits is 4800, while the sum is 26.

The square root of 42215435 is about 6497.3406098188. The cubic root of 42215435 is about 348.1959827730.

Adding to 42215435 its reverse (53451224), we get a palindrome (95666659).

The spelling of 42215435 in words is "forty-two million, two hundred fifteen thousand, four hundred thirty-five".