4642493 has 2 divisors, whose sum is σ = 4642494. Its totient is φ = 4642492.

The previous prime is 4642489. The next prime is 4642499. The reversal of 4642493 is 3942464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3523129 + 1119364 = 1877^2 + 1058^2 .

It is a cyclic number.

It is not a de Polignac number, because 4642493 - 2² = 4642489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4642499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321246 + 2321247.

It is an arithmetic number, because the mean of its divisors is an integer number (2321247).

Almost surely, 2^4642493 is an apocalyptic number.

It is an amenable number.

4642493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4642493 is an equidigital number, since it uses as much as digits as its factorization.

4642493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

The square root of 4642493 is about 2154.6445182443. The cubic root of 4642493 is about 166.8208843685.

The spelling of 4642493 in words is "four million, six hundred forty-two thousand, four hundred ninety-three".