5072271621 has 4 divisors (see below), whose sum is σ = 6763028832. Its totient is φ = 3381514412.

The previous prime is 5072271601. The next prime is 5072271647. The reversal of 5072271621 is 1261722705.

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 not a de Polignac number, because 5072271621 - 2⁷ = 5072271493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5072271601) 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, 845378601 + ... + 845378606.

It is an arithmetic number, because the mean of its divisors is an integer number (1690757208).

Almost surely, 2^5072271621 is an apocalyptic number.

It is an amenable number.

5072271621 is a deficient number, since it is larger than the sum of its proper divisors (1690757211).

5072271621 is a wasteful number, since it uses less digits than its factorization.

5072271621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690757210.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 5072271621 is about 71219.8822029354. The cubic root of 5072271621 is about 1718.1754156387.

The spelling of 5072271621 in words is "five billion, seventy-two million, two hundred seventy-one thousand, six hundred twenty-one".