4998531 has 4 divisors (see below), whose sum is σ = 6664712. Its totient is φ = 3332352.

The previous prime is 4998479. The next prime is 4998541. The reversal of 4998531 is 1358994.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4998531 - 2⁶ = 4998467 is a prime.

It is a super-2 number, since 2×4998531² = 49970624315922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4998531 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4998531.

It is not an unprimeable number, because it can be changed into a prime (4998541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833086 + ... + 833091.

It is an arithmetic number, because the mean of its divisors is an integer number (1666178).

Almost surely, 2^4998531 is an apocalyptic number.

4998531 is a deficient number, since it is larger than the sum of its proper divisors (1666181).

4998531 is a wasteful number, since it uses less digits than its factorization.

4998531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666180.

The product of its digits is 38880, while the sum is 39.

The square root of 4998531 is about 2235.7394749836. The cubic root of 4998531 is about 170.9808466629.

The spelling of 4998531 in words is "four million, nine hundred ninety-eight thousand, five hundred thirty-one".