425465057 has 4 divisors (see below), whose sum is σ = 432439956. Its totient is φ = 418490160.

The previous prime is 425465011. The next prime is 425465093. The reversal of 425465057 is 750564524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 205951201 + 219513856 = 14351^2 + 14816^2 .

It is a cyclic number.

It is not a de Polignac number, because 425465057 - 2¹⁰ = 425464033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425465057.

It is not an unprimeable number, because it can be changed into a prime (425165057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3487358 + ... + 3487479.

It is an arithmetic number, because the mean of its divisors is an integer number (108109989).

Almost surely, 2^425465057 is an apocalyptic number.

It is an amenable number.

425465057 is a deficient number, since it is larger than the sum of its proper divisors (6974899).

425465057 is an equidigital number, since it uses as much as digits as its factorization.

425465057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6974898.

The product of its (nonzero) digits is 168000, while the sum is 38.

The square root of 425465057 is about 20626.8043331971. The cubic root of 425465057 is about 752.1214348795.

The spelling of 425465057 in words is "four hundred twenty-five million, four hundred sixty-five thousand, fifty-seven".