5139451 has 2 divisors, whose sum is σ = 5139452. Its totient is φ = 5139450.

The previous prime is 5139427. The next prime is 5139461. The reversal of 5139451 is 1549315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5139451 - 2¹¹ = 5137403 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5139401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2569725 + 2569726.

It is an arithmetic number, because the mean of its divisors is an integer number (2569726).

Almost surely, 2^5139451 is an apocalyptic number.

5139451 is a deficient number, since it is larger than the sum of its proper divisors (1).

5139451 is an equidigital number, since it uses as much as digits as its factorization.

5139451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 28.

The square root of 5139451 is about 2267.0357297581. The cubic root of 5139451 is about 172.5727593364.

The spelling of 5139451 in words is "five million, one hundred thirty-nine thousand, four hundred fifty-one".