995046509 has 2 divisors, whose sum is σ = 995046510. Its totient is φ = 995046508.

The previous prime is 995046497. The next prime is 995046517. The reversal of 995046509 is 905640599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990864484 + 4182025 = 31478^2 + 2045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-995046509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995046529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497523254 + 497523255.

It is an arithmetic number, because the mean of its divisors is an integer number (497523255).

Almost surely, 2^995046509 is an apocalyptic number.

It is an amenable number.

995046509 is a deficient number, since it is larger than the sum of its proper divisors (1).

995046509 is an equidigital number, since it uses as much as digits as its factorization.

995046509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 437400, while the sum is 47.

The square root of 995046509 is about 31544.3577997714. The cubic root of 995046509 is about 998.3461024643.

The spelling of 995046509 in words is "nine hundred ninety-five million, forty-six thousand, five hundred nine".