646053035 has 4 divisors (see below), whose sum is σ = 775263648. Its totient is φ = 516842424.

The previous prime is 646053017. The next prime is 646053043. The reversal of 646053035 is 530350646.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 646053035 - 2⁸ = 646052779 is a prime.

It is a super-2 number, since 2×646053035² = 834769048065422450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 646052992 and 646053010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64605299 + ... + 64605308.

It is an arithmetic number, because the mean of its divisors is an integer number (193815912).

Almost surely, 2^646053035 is an apocalyptic number.

646053035 is a deficient number, since it is larger than the sum of its proper divisors (129210613).

646053035 is a wasteful number, since it uses less digits than its factorization.

646053035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129210612.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 646053035 is about 25417.5733499483. The cubic root of 646053035 is about 864.4822031627.

It can be divided in two parts, 6460 and 53035, that added together give a palindrome (59495).

The spelling of 646053035 in words is "six hundred forty-six million, fifty-three thousand, thirty-five".