42356001 has 4 divisors (see below), whose sum is σ = 56474672. Its totient is φ = 28237332.

The previous prime is 42355981. The next prime is 42356003. The reversal of 42356001 is 10065324.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42356001 - 2¹⁵ = 42323233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42356003) 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, 7059331 + ... + 7059336.

It is an arithmetic number, because the mean of its divisors is an integer number (14118668).

Almost surely, 2^42356001 is an apocalyptic number.

It is an amenable number.

42356001 is a deficient number, since it is larger than the sum of its proper divisors (14118671).

42356001 is a wasteful number, since it uses less digits than its factorization.

42356001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14118670.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 42356001 is about 6508.1488151394. The cubic root of 42356001 is about 348.5820208242.

The spelling of 42356001 in words is "forty-two million, three hundred fifty-six thousand, one".