647126053 has 8 divisors (see below), whose sum is σ = 744471680. Its totient is φ = 551005200.

The previous prime is 647126009. The next prime is 647126059. The reversal of 647126053 is 350621746.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-647126053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647126059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305058 + ... + 307171.

It is an arithmetic number, because the mean of its divisors is an integer number (93058960).

Almost surely, 2^647126053 is an apocalyptic number.

It is an amenable number.

647126053 is a deficient number, since it is larger than the sum of its proper divisors (97345627).

647126053 is a wasteful number, since it uses less digits than its factorization.

647126053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612387.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 647126053 is about 25438.6723906732. The cubic root of 647126053 is about 864.9605394809.

Adding to 647126053 its reverse (350621746), we get a palindrome (997747799).

The spelling of 647126053 in words is "six hundred forty-seven million, one hundred twenty-six thousand, fifty-three".