425905001 has 4 divisors (see below), whose sum is σ = 439643904. Its totient is φ = 412166100.

The previous prime is 425904959. The next prime is 425905003. The reversal of 425905001 is 100509524.

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 425905001 - 2²² = 421710697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425905003) 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, 6869405 + ... + 6869466.

It is an arithmetic number, because the mean of its divisors is an integer number (109910976).

Almost surely, 2^425905001 is an apocalyptic number.

It is an amenable number.

425905001 is a deficient number, since it is larger than the sum of its proper divisors (13738903).

425905001 is a wasteful number, since it uses less digits than its factorization.

425905001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13738902.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 425905001 is about 20637.4659539392. The cubic root of 425905001 is about 752.3805845025.

The spelling of 425905001 in words is "four hundred twenty-five million, nine hundred five thousand, one".