425554004225 has 24 divisors (see below), whose sum is σ = 604045237440. Its totient is φ = 291336966720.

The previous prime is 425554004147. The next prime is 425554004233. The reversal of 425554004225 is 522400455524.

It is not a de Polignac number, because 425554004225 - 2²⁴ = 425537227009 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1855922 + ... + 2072571.

It is an arithmetic number, because the mean of its divisors is an integer number (25168551560).

Almost surely, 2^425554004225 is an apocalyptic number.

It is an amenable number.

425554004225 is a deficient number, since it is larger than the sum of its proper divisors (178491233215).

425554004225 is a wasteful number, since it uses less digits than its factorization.

425554004225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929129 (or 3929124 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 38.

Adding to 425554004225 its reverse (522400455524), we get a palindrome (947954459749).

The spelling of 425554004225 in words is "four hundred twenty-five billion, five hundred fifty-four million, four thousand, two hundred twenty-five".