5070721 has 2 divisors, whose sum is σ = 5070722. Its totient is φ = 5070720.

The previous prime is 5070707. The next prime is 5070727. The reversal of 5070721 is 1270705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5013121 + 57600 = 2239^2 + 240^2 .

It is a cyclic number.

It is not a de Polignac number, because 5070721 - 2⁹ = 5070209 is a prime.

It is a super-2 number, since 2×5070721² = 51424422919682, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 5070692 and 5070701.

It is not a weakly prime, because it can be changed into another prime (5070727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2535360 + 2535361.

It is an arithmetic number, because the mean of its divisors is an integer number (2535361).

Almost surely, 2^5070721 is an apocalyptic number.

It is an amenable number.

5070721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5070721 is an equidigital number, since it uses as much as digits as its factorization.

5070721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 5070721 is about 2251.8261478187. The cubic root of 5070721 is about 171.8000312607.

The spelling of 5070721 in words is "five million, seventy thousand, seven hundred twenty-one".