648153433 has 2 divisors, whose sum is σ = 648153434. Its totient is φ = 648153432.

The previous prime is 648153419. The next prime is 648153437. The reversal of 648153433 is 334351846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532547929 + 115605504 = 23077^2 + 10752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-648153433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 648153392 and 648153401.

It is not a weakly prime, because it can be changed into another prime (648153437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324076716 + 324076717.

It is an arithmetic number, because the mean of its divisors is an integer number (324076717).

Almost surely, 2^648153433 is an apocalyptic number.

It is an amenable number.

648153433 is a deficient number, since it is larger than the sum of its proper divisors (1).

648153433 is an equidigital number, since it uses as much as digits as its factorization.

648153433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The square root of 648153433 is about 25458.8576530841. The cubic root of 648153433 is about 865.4180357693.

The spelling of 648153433 in words is "six hundred forty-eight million, one hundred fifty-three thousand, four hundred thirty-three".