6409031 has 2 divisors, whose sum is σ = 6409032. Its totient is φ = 6409030.

The previous prime is 6409027. The next prime is 6409037. The reversal of 6409031 is 1309046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6409031 - 2² = 6409027 is a prime.

It is a super-2 number, since 2×6409031² = 82151356717922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 6408988 and 6409006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6409037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204515 + 3204516.

It is an arithmetic number, because the mean of its divisors is an integer number (3204516).

Almost surely, 2^6409031 is an apocalyptic number.

6409031 is a deficient number, since it is larger than the sum of its proper divisors (1).

6409031 is an equidigital number, since it uses as much as digits as its factorization.

6409031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 6409031 is about 2531.6064070072. The cubic root of 6409031 is about 185.7508418599.

The spelling of 6409031 in words is "six million, four hundred nine thousand, thirty-one".