245424001 has 4 divisors (see below), whose sum is σ = 246505392. Its totient is φ = 244342612.

The previous prime is 245423987. The next prime is 245424107. The reversal of 245424001 is 100424542.

It is a happy number.

245424001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 245424001 - 2¹⁹ = 244899713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245424901) 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, 540355 + ... + 540808.

It is an arithmetic number, because the mean of its divisors is an integer number (61626348).

Almost surely, 2^245424001 is an apocalyptic number.

It is an amenable number.

245424001 is a deficient number, since it is larger than the sum of its proper divisors (1081391).

245424001 is a wasteful number, since it uses less digits than its factorization.

245424001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081390.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 245424001 is about 15666.0142027256. The cubic root of 245424001 is about 626.0932341476.

Adding to 245424001 its reverse (100424542), we get a palindrome (345848543).

The spelling of 245424001 in words is "two hundred forty-five million, four hundred twenty-four thousand, one".