617452061 has 2 divisors, whose sum is σ = 617452062. Its totient is φ = 617452060.

The previous prime is 617452049. The next prime is 617452081. The reversal of 617452061 is 160254716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 606095161 + 11356900 = 24619^2 + 3370^2 .

It is a cyclic number.

It is not a de Polignac number, because 617452061 - 2¹⁸ = 617189917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (617452081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308726030 + 308726031.

It is an arithmetic number, because the mean of its divisors is an integer number (308726031).

Almost surely, 2^617452061 is an apocalyptic number.

It is an amenable number.

617452061 is a deficient number, since it is larger than the sum of its proper divisors (1).

617452061 is an equidigital number, since it uses as much as digits as its factorization.

617452061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 617452061 is about 24848.5826758791. The cubic root of 617452061 is about 851.5322126092.

The spelling of 617452061 in words is "six hundred seventeen million, four hundred fifty-two thousand, sixty-one".