4977491 has 2 divisors, whose sum is σ = 4977492. Its totient is φ = 4977490.

The previous prime is 4977461. The next prime is 4977493. The reversal of 4977491 is 1947794.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4977491 - 2¹⁰ = 4976467 is a prime.

It is a Sophie Germain prime.

Together with 4977493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4977493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2488745 + 2488746.

It is an arithmetic number, because the mean of its divisors is an integer number (2488746).

Almost surely, 2^4977491 is an apocalyptic number.

4977491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4977491 is an equidigital number, since it uses as much as digits as its factorization.

4977491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 41.

The square root of 4977491 is about 2231.0291347268. The cubic root of 4977491 is about 170.7406096588.

The spelling of 4977491 in words is "four million, nine hundred seventy-seven thousand, four hundred ninety-one".