612553 has 2 divisors, whose sum is σ = 612554. Its totient is φ = 612552.

The previous prime is 612511. The next prime is 612583. The reversal of 612553 is 355216.

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., 535824 + 76729 = 732^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 612553 - 2⁹ = 612041 is a prime.

It is not a weakly prime, because it can be changed into another prime (612583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306276 + 306277.

It is an arithmetic number, because the mean of its divisors is an integer number (306277).

2⁶¹²⁵⁵³ is an apocalyptic number.

It is an amenable number.

612553 is a deficient number, since it is larger than the sum of its proper divisors (1).

612553 is an equidigital number, since it uses as much as digits as its factorization.

612553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 22.

The square root of 612553 is about 782.6576518504. The cubic root of 612553 is about 84.9274120778.

Adding to 612553 its reverse (355216), we get a palindrome (967769).

The spelling of 612553 in words is "six hundred twelve thousand, five hundred fifty-three".