495120361 has 4 divisors (see below), whose sum is σ = 506634832. Its totient is φ = 483605892.

The previous prime is 495120349. The next prime is 495120371. The reversal of 495120361 is 163021594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163021594 = 2 ⋅81510797.

It is a cyclic number.

It is not a de Polignac number, because 495120361 - 2⁷ = 495120233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495120331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5757171 + ... + 5757256.

It is an arithmetic number, because the mean of its divisors is an integer number (126658708).

Almost surely, 2^495120361 is an apocalyptic number.

It is an amenable number.

495120361 is a deficient number, since it is larger than the sum of its proper divisors (11514471).

495120361 is a wasteful number, since it uses less digits than its factorization.

495120361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11514470.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 495120361 is about 22251.3002092013. The cubic root of 495120361 is about 791.1100993603.

The spelling of 495120361 in words is "four hundred ninety-five million, one hundred twenty thousand, three hundred sixty-one".