425420525201 has 4 divisors (see below), whose sum is σ = 486194885952. Its totient is φ = 364646164452.

The previous prime is 425420525113. The next prime is 425420525203. The reversal of 425420525201 is 102525024524.

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 425420525201 - 2²⁶ = 425353416337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425420525203) 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, 30387180365 + ... + 30387180378.

It is an arithmetic number, because the mean of its divisors is an integer number (121548721488).

Almost surely, 2^425420525201 is an apocalyptic number.

It is an amenable number.

425420525201 is a deficient number, since it is larger than the sum of its proper divisors (60774360751).

425420525201 is an equidigital number, since it uses as much as digits as its factorization.

425420525201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60774360750.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 425420525201 its reverse (102525024524), we get a palindrome (527945549725).

The spelling of 425420525201 in words is "four hundred twenty-five billion, four hundred twenty million, five hundred twenty-five thousand, two hundred one".