427440201 has 4 divisors (see below), whose sum is σ = 569920272. Its totient is φ = 284960132.

The previous prime is 427440187. The next prime is 427440203. The reversal of 427440201 is 102044724.

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 a cyclic number.

It is not a de Polignac number, because 427440201 - 2⁹ = 427439689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427440203) 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, 71240031 + ... + 71240036.

It is an arithmetic number, because the mean of its divisors is an integer number (142480068).

Almost surely, 2^427440201 is an apocalyptic number.

It is an amenable number.

427440201 is a deficient number, since it is larger than the sum of its proper divisors (142480071).

427440201 is a wasteful number, since it uses less digits than its factorization.

427440201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142480070.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 427440201 is about 20674.6269857524. The cubic root of 427440201 is about 753.2835007412.

Adding to 427440201 its reverse (102044724), we get a palindrome (529484925).

The spelling of 427440201 in words is "four hundred twenty-seven million, four hundred forty thousand, two hundred one".