100980553 has 2 divisors, whose sum is σ = 100980554. Its totient is φ = 100980552.

The previous prime is 100980541. The next prime is 100980571. The reversal of 100980553 is 355089001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65076489 + 35904064 = 8067^2 + 5992^2 .

It is a cyclic number.

It is not a de Polignac number, because 100980553 - 2¹⁷ = 100849481 is a prime.

It is not a weakly prime, because it can be changed into another prime (100980053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50490276 + 50490277.

It is an arithmetic number, because the mean of its divisors is an integer number (50490277).

Almost surely, 2^100980553 is an apocalyptic number.

It is an amenable number.

100980553 is a deficient number, since it is larger than the sum of its proper divisors (1).

100980553 is an equidigital number, since it uses as much as digits as its factorization.

100980553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 100980553 is about 10048.9080501316. The cubic root of 100980553 is about 465.6710594678.

The spelling of 100980553 in words is "one hundred million, nine hundred eighty thousand, five hundred fifty-three".