5139461 has 2 divisors, whose sum is σ = 5139462. Its totient is φ = 5139460.

The previous prime is 5139451. The next prime is 5139479. The reversal of 5139461 is 1649315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4622500 + 516961 = 2150^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 5139461 - 2¹⁴ = 5123077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent 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, 2569730 + 2569731.

It is an arithmetic number, because the mean of its divisors is an integer number (2569731).

Almost surely, 2^5139461 is an apocalyptic number.

It is an amenable number.

5139461 is a deficient number, since it is larger than the sum of its proper divisors (1).

5139461 is an equidigital number, since it uses as much as digits as its factorization.

5139461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 5139461 is about 2267.0379352803. The cubic root of 5139461 is about 172.5728712632.

The spelling of 5139461 in words is "five million, one hundred thirty-nine thousand, four hundred sixty-one".