425522001 has 8 divisors (see below), whose sum is σ = 578067840. Its totient is φ = 278328752.

The previous prime is 425521997. The next prime is 425522003. The reversal of 425522001 is 100225524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425522001 - 2² = 425521997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425522003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337961 + ... + 1338278.

It is an arithmetic number, because the mean of its divisors is an integer number (72258480).

Almost surely, 2^425522001 is an apocalyptic number.

It is an amenable number.

425522001 is a deficient number, since it is larger than the sum of its proper divisors (152545839).

425522001 is a wasteful number, since it uses less digits than its factorization.

425522001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676295.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 425522001 is about 20628.1846268643. The cubic root of 425522001 is about 752.1549878836.

Adding to 425522001 its reverse (100225524), we get a palindrome (525747525).

The spelling of 425522001 in words is "four hundred twenty-five million, five hundred twenty-two thousand, one".