4621537 has 2 divisors, whose sum is σ = 4621538. Its totient is φ = 4621536.

The previous prime is 4621531. The next prime is 4621571. The reversal of 4621537 is 7351264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3474496 + 1147041 = 1864^2 + 1071^2 .

It is a cyclic number.

It is not a de Polignac number, because 4621537 - 2¹⁵ = 4588769 is a prime.

4621537 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4621531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2310768 + 2310769.

It is an arithmetic number, because the mean of its divisors is an integer number (2310769).

Almost surely, 2^4621537 is an apocalyptic number.

It is an amenable number.

4621537 is a deficient number, since it is larger than the sum of its proper divisors (1).

4621537 is an equidigital number, since it uses as much as digits as its factorization.

4621537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 4621537 is about 2149.7760348464. The cubic root of 4621537 is about 166.5694984722.

The spelling of 4621537 in words is "four million, six hundred twenty-one thousand, five hundred thirty-seven".