5098781 has 4 divisors (see below), whose sum is σ = 5118432. Its totient is φ = 5079132.

The previous prime is 5098771. The next prime is 5098789. The reversal of 5098781 is 1878905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5098781 is a prime.

It is a super-2 number, since 2×5098781² = 51995135371922, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5098789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9431 + ... + 9956.

It is an arithmetic number, because the mean of its divisors is an integer number (1279608).

Almost surely, 2^5098781 is an apocalyptic number.

It is an amenable number.

5098781 is a deficient number, since it is larger than the sum of its proper divisors (19651).

5098781 is a wasteful number, since it uses less digits than its factorization.

5098781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19650.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 5098781 is about 2258.0480508616. The cubic root of 5098781 is about 172.1163468265.

The spelling of 5098781 in words is "five million, ninety-eight thousand, seven hundred eighty-one".