425030557 has 12 divisors (see below), whose sum is σ = 497581500. Its totient is φ = 361984896.

The previous prime is 425030503. The next prime is 425030561. The reversal of 425030557 is 755030524.

It can be written as a sum of positive squares in 2 ways, for example, as 209351961 + 215678596 = 14469^2 + 14686^2 .

It is a de Polignac number, because none of the positive numbers 2^k-425030557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425030587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19932 + ... + 35317.

It is an arithmetic number, because the mean of its divisors is an integer number (41465125).

Almost surely, 2^425030557 is an apocalyptic number.

It is an amenable number.

425030557 is a deficient number, since it is larger than the sum of its proper divisors (72550943).

425030557 is a wasteful number, since it uses less digits than its factorization.

425030557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55420 (or 55413 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 425030557 is about 20616.2692308769. The cubic root of 425030557 is about 751.8653166494.

The spelling of 425030557 in words is "four hundred twenty-five million, thirty thousand, five hundred fifty-seven".