5161553 has 2 divisors, whose sum is σ = 5161554. Its totient is φ = 5161552.

The previous prime is 5161549. The next prime is 5161561. The reversal of 5161553 is 3551615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3179089 + 1982464 = 1783^2 + 1408^2 .

It is a cyclic number.

It is not a de Polignac number, because 5161553 - 2² = 5161549 is a prime.

It is not a weakly prime, because it can be changed into another prime (5161253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580776 + 2580777.

It is an arithmetic number, because the mean of its divisors is an integer number (2580777).

Almost surely, 2^5161553 is an apocalyptic number.

It is an amenable number.

5161553 is a deficient number, since it is larger than the sum of its proper divisors (1).

5161553 is an equidigital number, since it uses as much as digits as its factorization.

5161553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2250, while the sum is 26.

The square root of 5161553 is about 2271.9051476679. The cubic root of 5161553 is about 172.8197862753.

The spelling of 5161553 in words is "five million, one hundred sixty-one thousand, five hundred fifty-three".