425525045405 has 8 divisors (see below), whose sum is σ = 512447244984. Its totient is φ = 339208576000.

The previous prime is 425525045401. The next prime is 425525045423. The reversal of 425525045405 is 504540525524.

It can be written as a sum of positive squares in 4 ways, for example, as 123564904324 + 301960141081 = 351518^2 + 549509^2 .

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

It is not a de Polignac number, because 425525045405 - 2² = 425525045401 is a prime.

It is a super-2 number, since 2×425525045405² (a number of 24 digits) 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 (425525045401) 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, 151430996 + ... + 151433805.

It is an arithmetic number, because the mean of its divisors is an integer number (64055905623).

Almost surely, 2^425525045405 is an apocalyptic number.

It is an amenable number.

425525045405 is a deficient number, since it is larger than the sum of its proper divisors (86922199579).

425525045405 is a wasteful number, since it uses less digits than its factorization.

425525045405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302865087.

The product of its (nonzero) digits is 800000, while the sum is 41.

The spelling of 425525045405 in words is "four hundred twenty-five billion, five hundred twenty-five million, forty-five thousand, four hundred five".