647503053 has 8 divisors (see below), whose sum is σ = 864835968. Its totient is φ = 430919424.

The previous prime is 647503049. The next prime is 647503057. The reversal of 647503053 is 350305746.

It is an interprime number because it is at equal distance from previous prime (647503049) and next prime (647503057).

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

It is not a de Polignac number, because 647503053 - 2² = 647503049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647503057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185301 + ... + 188762.

It is an arithmetic number, because the mean of its divisors is an integer number (108104496).

Almost surely, 2^647503053 is an apocalyptic number.

It is an amenable number.

647503053 is a deficient number, since it is larger than the sum of its proper divisors (217332915).

647503053 is a wasteful number, since it uses less digits than its factorization.

647503053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374643.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 647503053 is about 25446.0812896603. The cubic root of 647503053 is about 865.1284752426.

Adding to 647503053 its reverse (350305746), we get a palindrome (997808799).

The spelling of 647503053 in words is "six hundred forty-seven million, five hundred three thousand, fifty-three".