42634601 has 4 divisors (see below), whose sum is σ = 42710100. Its totient is φ = 42559104.

The previous prime is 42634591. The next prime is 42634621. The reversal of 42634601 is 10643624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27040000 + 15594601 = 5200^2 + 3949^2 .

It is a cyclic number.

It is not a de Polignac number, because 42634601 - 2¹⁸ = 42372457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42634621) 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, 36896 + ... + 38033.

It is an arithmetic number, because the mean of its divisors is an integer number (10677525).

Almost surely, 2^42634601 is an apocalyptic number.

It is an amenable number.

42634601 is a deficient number, since it is larger than the sum of its proper divisors (75499).

42634601 is an equidigital number, since it uses as much as digits as its factorization.

42634601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75498.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42634601 is about 6529.5176697824. The cubic root of 42634601 is about 349.3446266437.

The spelling of 42634601 in words is "forty-two million, six hundred thirty-four thousand, six hundred one".