975553 has 2 divisors, whose sum is σ = 975554. Its totient is φ = 975552.

The previous prime is 975551. The next prime is 975581. The reversal of 975553 is 355579.

975553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 868624 + 106929 = 932^2 + 327^2 .

It is a cyclic number.

It is not a de Polignac number, because 975553 - 2¹ = 975551 is a prime.

Together with 975551, it forms a pair of twin primes.

It is an Ulam number.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (975551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487776 + 487777.

It is an arithmetic number, because the mean of its divisors is an integer number (487777).

2⁹⁷⁵⁵⁵³ is an apocalyptic number.

It is an amenable number.

975553 is a deficient number, since it is larger than the sum of its proper divisors (1).

975553 is an equidigital number, since it uses as much as digits as its factorization.

975553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23625, while the sum is 34.

The square root of 975553 is about 987.7008656471. The cubic root of 975553 is about 99.1783676924.

The spelling of 975553 in words is "nine hundred seventy-five thousand, five hundred fifty-three".