648495001 has 16 divisors (see below), whose sum is σ = 809198208. Its totient is φ = 504892800.

The previous prime is 648494981. The next prime is 648495017. The reversal of 648495001 is 100594846.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 648495001 - 2⁵ = 648494969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (648495101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112141 + ... + 117781.

It is an arithmetic number, because the mean of its divisors is an integer number (50574888).

Almost surely, 2^648495001 is an apocalyptic number.

It is an amenable number.

648495001 is a deficient number, since it is larger than the sum of its proper divisors (160703207).

648495001 is a wasteful number, since it uses less digits than its factorization.

648495001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7152.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 648495001 is about 25465.5650045311. The cubic root of 648495001 is about 865.5700302315.

The spelling of 648495001 in words is "six hundred forty-eight million, four hundred ninety-five thousand, one".