5265621031 has 16 divisors (see below), whose sum is σ = 6255158400. Its totient is φ = 4378600800.

The previous prime is 5265621019. The next prime is 5265621043. The reversal of 5265621031 is 1301265625.

It is an interprime number because it is at equal distance from previous prime (5265621019) and next prime (5265621043).

It is a cyclic number.

It is not a de Polignac number, because 5265621031 - 2⁵ = 5265620999 is a prime.

It is a super-2 number, since 2×5265621031² = 55453529684219005922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5265620984 and 5265621002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5265621091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428325 + ... + 440446.

It is an arithmetic number, because the mean of its divisors is an integer number (390947400).

Almost surely, 2^5265621031 is an apocalyptic number.

5265621031 is a deficient number, since it is larger than the sum of its proper divisors (989537369).

5265621031 is a wasteful number, since it uses less digits than its factorization.

5265621031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868830.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 5265621031 is about 72564.5990204590. The cubic root of 5265621031 is about 1739.7353971839.

Adding to 5265621031 its reverse (1301265625), we get a palindrome (6566886656).

The spelling of 5265621031 in words is "five billion, two hundred sixty-five million, six hundred twenty-one thousand, thirty-one".