425256541 has 4 divisors (see below), whose sum is σ = 435146272. Its totient is φ = 415366812.

The previous prime is 425256539. The next prime is 425256563. The reversal of 425256541 is 145652524.

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 425256541 - 2¹ = 425256539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425256497 and 425256506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425256341) 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, 4944801 + ... + 4944886.

It is an arithmetic number, because the mean of its divisors is an integer number (108786568).

Almost surely, 2^425256541 is an apocalyptic number.

It is an amenable number.

425256541 is a deficient number, since it is larger than the sum of its proper divisors (9889731).

425256541 is an equidigital number, since it uses as much as digits as its factorization.

425256541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9889730.

The product of its digits is 48000, while the sum is 34.

The square root of 425256541 is about 20621.7492226048. The cubic root of 425256541 is about 751.9985458371.

The spelling of 425256541 in words is "four hundred twenty-five million, two hundred fifty-six thousand, five hundred forty-one".