653599049 has 2 divisors, whose sum is σ = 653599050. Its totient is φ = 653599048.

The previous prime is 653598941. The next prime is 653599103. The reversal of 653599049 is 940995356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393744649 + 259854400 = 19843^2 + 16120^2 .

It is a cyclic number.

It is not a de Polignac number, because 653599049 - 2⁸ = 653598793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 653598988 and 653599006.

It is not a weakly prime, because it can be changed into another prime (653596049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326799524 + 326799525.

It is an arithmetic number, because the mean of its divisors is an integer number (326799525).

Almost surely, 2^653599049 is an apocalyptic number.

It is an amenable number.

653599049 is a deficient number, since it is larger than the sum of its proper divisors (1).

653599049 is an equidigital number, since it uses as much as digits as its factorization.

653599049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1312200, while the sum is 50.

The square root of 653599049 is about 25565.5832908228. The cubic root of 653599049 is about 867.8349517532.

The spelling of 653599049 in words is "six hundred fifty-three million, five hundred ninety-nine thousand, forty-nine".