495087947 has 2 divisors, whose sum is σ = 495087948. Its totient is φ = 495087946.

The previous prime is 495087941. The next prime is 495087973. The reversal of 495087947 is 749780594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495087947 - 2¹⁰ = 495086923 is a prime.

It is a super-2 number, since 2×495087947² = 490224150529349618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (495087941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247543973 + 247543974.

It is an arithmetic number, because the mean of its divisors is an integer number (247543974).

Almost surely, 2^495087947 is an apocalyptic number.

495087947 is a deficient number, since it is larger than the sum of its proper divisors (1).

495087947 is an equidigital number, since it uses as much as digits as its factorization.

495087947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 495087947 is about 22250.5718353484. The cubic root of 495087947 is about 791.0928351390.

The spelling of 495087947 in words is "four hundred ninety-five million, eighty-seven thousand, nine hundred forty-seven".