425005501 has 4 divisors (see below), whose sum is σ = 429131872. Its totient is φ = 420879132.

The previous prime is 425005487. The next prime is 425005513. The reversal of 425005501 is 105500524.

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 425005501 - 2⁹ = 425004989 is a prime.

It is a super-2 number, since 2×425005501² = 361259351760522002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425005531) 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, 2063031 + ... + 2063236.

It is an arithmetic number, because the mean of its divisors is an integer number (107282968).

Almost surely, 2^425005501 is an apocalyptic number.

It is an amenable number.

425005501 is a deficient number, since it is larger than the sum of its proper divisors (4126371).

425005501 is a wasteful number, since it uses less digits than its factorization.

425005501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126370.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 425005501 is about 20615.6615465039. The cubic root of 425005501 is about 751.8505419410.

The spelling of 425005501 in words is "four hundred twenty-five million, five thousand, five hundred one".