2553502409 has 2 divisors, whose sum is σ = 2553502410. Its totient is φ = 2553502408.

The previous prime is 2553502381. The next prime is 2553502439. The reversal of 2553502409 is 9042053552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1618855225 + 934647184 = 40235^2 + 30572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2553502409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2553502439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276751204 + 1276751205.

It is an arithmetic number, because the mean of its divisors is an integer number (1276751205).

Almost surely, 2^2553502409 is an apocalyptic number.

It is an amenable number.

2553502409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553502409 is an equidigital number, since it uses as much as digits as its factorization.

2553502409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 2553502409 is about 50532.1918087866. The cubic root of 2553502409 is about 1366.8224096621.

The spelling of 2553502409 in words is "two billion, five hundred fifty-three million, five hundred two thousand, four hundred nine".