103662553 has 2 divisors, whose sum is σ = 103662554. Its totient is φ = 103662552.

The previous prime is 103662539. The next prime is 103662569. The reversal of 103662553 is 355266301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90098064 + 13564489 = 9492^2 + 3683^2 .

It is a cyclic number.

It is not a de Polignac number, because 103662553 - 2¹³ = 103654361 is a prime.

It is not a weakly prime, because it can be changed into another prime (103662523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51831276 + 51831277.

It is an arithmetic number, because the mean of its divisors is an integer number (51831277).

Almost surely, 2^103662553 is an apocalyptic number.

It is an amenable number.

103662553 is a deficient number, since it is larger than the sum of its proper divisors (1).

103662553 is an equidigital number, since it uses as much as digits as its factorization.

103662553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 103662553 is about 10181.4808844293. The cubic root of 103662553 is about 469.7577641133.

The spelling of 103662553 in words is "one hundred three million, six hundred sixty-two thousand, five hundred fifty-three".