495609157 has 8 divisors (see below), whose sum is σ = 501094880. Its totient is φ = 490140720.

The previous prime is 495609151. The next prime is 495609173. The reversal of 495609157 is 751906594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 495609157 - 2¹⁹ = 495084869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495609151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58258 + ... + 66220.

It is an arithmetic number, because the mean of its divisors is an integer number (62636860).

Almost surely, 2^495609157 is an apocalyptic number.

It is an amenable number.

495609157 is a deficient number, since it is larger than the sum of its proper divisors (5485723).

495609157 is a wasteful number, since it uses less digits than its factorization.

495609157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8643.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 495609157 is about 22262.2810376655. The cubic root of 495609157 is about 791.3703487202.

The spelling of 495609157 in words is "four hundred ninety-five million, six hundred nine thousand, one hundred fifty-seven".