3139537 has 2 divisors, whose sum is σ = 3139538. Its totient is φ = 3139536.

The previous prime is 3139519. The next prime is 3139547. The reversal of 3139537 is 7359313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3101121 + 38416 = 1761^2 + 196^2 .

It is a cyclic number.

It is not a de Polignac number, because 3139537 - 2¹⁵ = 3106769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3139499 and 3139508.

It is not a weakly prime, because it can be changed into another prime (3139517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569768 + 1569769.

It is an arithmetic number, because the mean of its divisors is an integer number (1569769).

Almost surely, 2^3139537 is an apocalyptic number.

It is an amenable number.

3139537 is a deficient number, since it is larger than the sum of its proper divisors (1).

3139537 is an equidigital number, since it uses as much as digits as its factorization.

3139537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8505, while the sum is 31.

The square root of 3139537 is about 1771.8738668427. The cubic root of 3139537 is about 146.4272373352.

The spelling of 3139537 in words is "three million, one hundred thirty-nine thousand, five hundred thirty-seven".