6992137 has 2 divisors, whose sum is σ = 6992138. Its totient is φ = 6992136.

The previous prime is 6992119. The next prime is 6992147. The reversal of 6992137 is 7312996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4857616 + 2134521 = 2204^2 + 1461^2 .

It is a cyclic number.

It is not a de Polignac number, because 6992137 - 2¹⁵ = 6959369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6992096 and 6992105.

It is not a weakly prime, because it can be changed into another prime (6992147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3496068 + 3496069.

It is an arithmetic number, because the mean of its divisors is an integer number (3496069).

Almost surely, 2^6992137 is an apocalyptic number.

It is an amenable number.

6992137 is a deficient number, since it is larger than the sum of its proper divisors (1).

6992137 is an equidigital number, since it uses as much as digits as its factorization.

6992137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 6992137 is about 2644.2649262130. The cubic root of 6992137 is about 191.2214658328.

The spelling of 6992137 in words is "six million, nine hundred ninety-two thousand, one hundred thirty-seven".