425548571601 has 4 divisors (see below), whose sum is σ = 567398095472. Its totient is φ = 283699047732.

The previous prime is 425548571599. The next prime is 425548571603. The reversal of 425548571601 is 106175845524.

It is a happy number.

425548571601 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (425548571599) and next prime (425548571603).

It is not a de Polignac number, because 425548571601 - 2¹ = 425548571599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425548571603) 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, 70924761931 + ... + 70924761936.

It is an arithmetic number, because the mean of its divisors is an integer number (141849523868).

Almost surely, 2^425548571601 is an apocalyptic number.

It is an amenable number.

425548571601 is a deficient number, since it is larger than the sum of its proper divisors (141849523871).

425548571601 is a wasteful number, since it uses less digits than its factorization.

425548571601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141849523870.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 425548571601 in words is "four hundred twenty-five billion, five hundred forty-eight million, five hundred seventy-one thousand, six hundred one".