13552061 has 2 divisors, whose sum is σ = 13552062. Its totient is φ = 13552060.

The previous prime is 13552057. The next prime is 13552093. The reversal of 13552061 is 16025531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12355225 + 1196836 = 3515^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 13552061 - 2² = 13552057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13552001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6776030 + 6776031.

It is an arithmetic number, because the mean of its divisors is an integer number (6776031).

Almost surely, 2^13552061 is an apocalyptic number.

It is an amenable number.

13552061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13552061 is an equidigital number, since it uses as much as digits as its factorization.

13552061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 13552061 is about 3681.3124018480. The cubic root of 13552061 is about 238.4158455021.

Adding to 13552061 its reverse (16025531), we get a palindrome (29577592).

The spelling of 13552061 in words is "thirteen million, five hundred fifty-two thousand, sixty-one".