4620557 has 2 divisors, whose sum is σ = 4620558. Its totient is φ = 4620556.

The previous prime is 4620547. The next prime is 4620559. The reversal of 4620557 is 7550264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2621161 + 1999396 = 1619^2 + 1414^2 .

It is a cyclic number.

It is not a de Polignac number, because 4620557 - 2¹² = 4616461 is a prime.

Together with 4620559, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₃₂₃₇₉₅ and since 4620557 and 323795 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4620559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2310278 + 2310279.

It is an arithmetic number, because the mean of its divisors is an integer number (2310279).

Almost surely, 2^4620557 is an apocalyptic number.

It is an amenable number.

4620557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4620557 is an equidigital number, since it uses as much as digits as its factorization.

4620557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 4620557 is about 2149.5480920417. The cubic root of 4620557 is about 166.5577239155.

The spelling of 4620557 in words is "four million, six hundred twenty thousand, five hundred fifty-seven".