648347053 has 2 divisors, whose sum is σ = 648347054. Its totient is φ = 648347052.

The previous prime is 648347027. The next prime is 648347059. The reversal of 648347053 is 350743846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 371024644 + 277322409 = 19262^2 + 16653^2 .

It is a cyclic number.

It is not a de Polignac number, because 648347053 - 2⁹ = 648346541 is a prime.

It is a super-2 number, since 2×648347053² = 840707802267569618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 648346997 and 648347015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648347059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324173526 + 324173527.

It is an arithmetic number, because the mean of its divisors is an integer number (324173527).

Almost surely, 2^648347053 is an apocalyptic number.

It is an amenable number.

648347053 is a deficient number, since it is larger than the sum of its proper divisors (1).

648347053 is an equidigital number, since it uses as much as digits as its factorization.

648347053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 648347053 is about 25462.6599749516. The cubic root of 648347053 is about 865.5042013537.

The spelling of 648347053 in words is "six hundred forty-eight million, three hundred forty-seven thousand, fifty-three".