425202005 has 8 divisors (see below), whose sum is σ = 517232472. Its totient is φ = 335501568.

The previous prime is 425201993. The next prime is 425202023. The reversal of 425202005 is 500202524.

It can be written as a sum of positive squares in 4 ways, for example, as 29311396 + 395890609 = 5414^2 + 19897^2 .

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 425202005 - 2¹⁶ = 425136469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582104 + ... + 582833.

It is an arithmetic number, because the mean of its divisors is an integer number (64654059).

Almost surely, 2^425202005 is an apocalyptic number.

It is an amenable number.

425202005 is a deficient number, since it is larger than the sum of its proper divisors (92030467).

425202005 is a wasteful number, since it uses less digits than its factorization.

425202005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165015.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 425202005 is about 20620.4268869488. The cubic root of 425202005 is about 751.9663983826.

Adding to 425202005 its reverse (500202524), we get a palindrome (925404529).

The spelling of 425202005 in words is "four hundred twenty-five million, two hundred two thousand, five".