647513141 has 16 divisors (see below), whose sum is σ = 756172800. Its totient is φ = 548204400.

The previous prime is 647513117. The next prime is 647513143. The reversal of 647513141 is 141315746.

It is not a de Polignac number, because 647513141 - 2¹⁸ = 647250997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 647513098 and 647513107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647513143) 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, 13925 + ... + 38586.

It is an arithmetic number, because the mean of its divisors is an integer number (47260800).

Almost surely, 2^647513141 is an apocalyptic number.

It is an amenable number.

647513141 is a deficient number, since it is larger than the sum of its proper divisors (108659659).

647513141 is a wasteful number, since it uses less digits than its factorization.

647513141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52600.

The product of its digits is 10080, while the sum is 32.

The square root of 647513141 is about 25446.2795119444. The cubic root of 647513141 is about 865.1329680763.

Adding to 647513141 its reverse (141315746), we get a palindrome (788828887).

The spelling of 647513141 in words is "six hundred forty-seven million, five hundred thirteen thousand, one hundred forty-one".