5249621031 has 4 divisors (see below), whose sum is σ = 6999494712. Its totient is φ = 3499747352.

The previous prime is 5249620997. The next prime is 5249621107. The reversal of 5249621031 is 1301269425.

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

It is a cyclic number.

It is not a de Polignac number, because 5249621031 - 2¹⁰ = 5249620007 is a prime.

It is a super-2 number, since 2×5249621031² = 55117041938235005922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5249620983 and 5249621001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5249629031) 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, 874936836 + ... + 874936841.

It is an arithmetic number, because the mean of its divisors is an integer number (1749873678).

Almost surely, 2^5249621031 is an apocalyptic number.

5249621031 is a deficient number, since it is larger than the sum of its proper divisors (1749873681).

5249621031 is a wasteful number, since it uses less digits than its factorization.

5249621031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749873680.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 5249621031 is about 72454.2685492028. The cubic root of 5249621031 is about 1737.9715021880.

The spelling of 5249621031 in words is "five billion, two hundred forty-nine million, six hundred twenty-one thousand, thirty-one".