375553 has 2 divisors, whose sum is σ = 375554. Its totient is φ = 375552.

The previous prime is 375533. The next prime is 375559. The reversal of 375553 is 355573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237169 + 138384 = 487^2 + 372^2 .

It is an emirp because it is prime and its reverse (355573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 375553 - 2¹⁷ = 244481 is a prime.

It is not a weakly prime, because it can be changed into another prime (375559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187776 + 187777.

It is an arithmetic number, because the mean of its divisors is an integer number (187777).

2³⁷⁵⁵⁵³ is an apocalyptic number.

It is an amenable number.

375553 is a deficient number, since it is larger than the sum of its proper divisors (1).

375553 is an equidigital number, since it uses as much as digits as its factorization.

375553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7875, while the sum is 28.

The square root of 375553 is about 612.8237919663. The cubic root of 375553 is about 72.1479083948.

The spelling of 375553 in words is "three hundred seventy-five thousand, five hundred fifty-three".