645007485 has 16 divisors (see below), whose sum is σ = 1032759936. Its totient is φ = 343754688.

The previous prime is 645007477. The next prime is 645007499. The reversal of 645007485 is 584700546.

It is not a de Polignac number, because 645007485 - 2³ = 645007477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6847 + ... + 36563.

It is an arithmetic number, because the mean of its divisors is an integer number (64547496).

Almost surely, 2^645007485 is an apocalyptic number.

It is an amenable number.

645007485 is a deficient number, since it is larger than the sum of its proper divisors (387752451).

645007485 is a wasteful number, since it uses less digits than its factorization.

645007485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31172.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 645007485 is about 25396.9975587667. The cubic root of 645007485 is about 864.0156019452.

The spelling of 645007485 in words is "six hundred forty-five million, seven thousand, four hundred eighty-five".