645325062 has 16 divisors (see below), whose sum is σ = 1294114800. Its totient is φ = 214530912.

The previous prime is 645325061. The next prime is 645325069. The reversal of 645325062 is 260523546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (645325061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141937 + ... + 146412.

It is an arithmetic number, because the mean of its divisors is an integer number (80882175).

Almost surely, 2^645325062 is an apocalyptic number.

645325062 is an abundant number, since it is smaller than the sum of its proper divisors (648789738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

645325062 is a wasteful number, since it uses less digits than its factorization.

645325062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288727.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 645325062 is about 25403.2490441676. The cubic root of 645325062 is about 864.1573814171.

The spelling of 645325062 in words is "six hundred forty-five million, three hundred twenty-five thousand, sixty-two".