425520616 has 8 divisors (see below), whose sum is σ = 797851170. Its totient is φ = 212760304.

The previous prime is 425520581. The next prime is 425520617. The reversal of 425520616 is 616025524.

It can be written as a sum of positive squares in only one way, i.e., 423948100 + 1572516 = 20590^2 + 1254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (425520617) 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 as a sum of consecutive naturals, namely, 26595031 + ... + 26595046.

Almost surely, 2^425520616 is an apocalyptic number.

It is an amenable number.

425520616 is a deficient number, since it is larger than the sum of its proper divisors (372330554).

425520616 is a wasteful number, since it uses less digits than its factorization.

425520616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53190083 (or 53190079 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 425520616 is about 20628.1510562629. The cubic root of 425520616 is about 752.1541718382.

The spelling of 425520616 in words is "four hundred twenty-five million, five hundred twenty thousand, six hundred sixteen".