5134721 has 2 divisors, whose sum is σ = 5134722. Its totient is φ = 5134720.

The previous prime is 5134709. The next prime is 5134729. The reversal of 5134721 is 1274315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5125696 + 9025 = 2264^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 5134721 - 2¹⁰ = 5133697 is a prime.

It is equal to p₃₅₇₂₁₅ and since 5134721 and 357215 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (5134729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2567360 + 2567361.

It is an arithmetic number, because the mean of its divisors is an integer number (2567361).

Almost surely, 2^5134721 is an apocalyptic number.

It is an amenable number.

5134721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5134721 is an equidigital number, since it uses as much as digits as its factorization.

5134721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 23.

The square root of 5134721 is about 2265.9922771272. The cubic root of 5134721 is about 172.5198016896.

It can be divided in two parts, 51 and 34721, that multiplied together give a palindrome (1770771).

The spelling of 5134721 in words is "five million, one hundred thirty-four thousand, seven hundred twenty-one".