408553 has 2 divisors, whose sum is σ = 408554. Its totient is φ = 408552.

The previous prime is 408539. The next prime is 408563. The reversal of 408553 is 355804.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363609 + 44944 = 603^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 408553 - 2⁹ = 408041 is a prime.

It is not a weakly prime, because it can be changed into another prime (408533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204276 + 204277.

It is an arithmetic number, because the mean of its divisors is an integer number (204277).

2⁴⁰⁸⁵⁵³ is an apocalyptic number.

It is an amenable number.

408553 is a deficient number, since it is larger than the sum of its proper divisors (1).

408553 is an equidigital number, since it uses as much as digits as its factorization.

408553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 408553 is about 639.1815078677. The cubic root of 408553 is about 74.2020894348.

It can be divided in two parts, 408 and 553, that added together give a square (961 = 31²).

The spelling of 408553 in words is "four hundred eight thousand, five hundred fifty-three".