4990031 has 2 divisors, whose sum is σ = 4990032. Its totient is φ = 4990030.

The previous prime is 4990019. The next prime is 4990049. The reversal of 4990031 is 1300994.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4990031 - 2²² = 795727 is a prime.

It is a super-2 number, since 2×4990031² = 49800818761922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4990091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2495015 + 2495016.

It is an arithmetic number, because the mean of its divisors is an integer number (2495016).

Almost surely, 2^4990031 is an apocalyptic number.

4990031 is a deficient number, since it is larger than the sum of its proper divisors (1).

4990031 is an equidigital number, since it uses as much as digits as its factorization.

4990031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 4990031 is about 2233.8377291110. The cubic root of 4990031 is about 170.8838740540.

The spelling of 4990031 in words is "four million, nine hundred ninety thousand, thirty-one".