4977493 has 2 divisors, whose sum is σ = 4977494. Its totient is φ = 4977492.

The previous prime is 4977491. The next prime is 4977517. The reversal of 4977493 is 3947794.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2537649 + 2439844 = 1593^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 4977493 - 2¹ = 4977491 is a prime.

Together with 4977491, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 4⁴ + 9 + 7² + 7⁵ + 4⁴ + 9⁷ + 3¹¹ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4977491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2488746 + 2488747.

It is an arithmetic number, because the mean of its divisors is an integer number (2488747).

Almost surely, 2^4977493 is an apocalyptic number.

It is an amenable number.

4977493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4977493 is an equidigital number, since it uses as much as digits as its factorization.

4977493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 43.

The square root of 4977493 is about 2231.0295829504. The cubic root of 4977493 is about 170.7406325271.

The spelling of 4977493 in words is "four million, nine hundred seventy-seven thousand, four hundred ninety-three".