495280901 has 4 divisors (see below), whose sum is σ = 495366432. Its totient is φ = 495195372.

The previous prime is 495280897. The next prime is 495280913. The reversal of 495280901 is 109082594.

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: 109082594 = 2 ⋅54541297.

It is a cyclic number.

It is not a de Polignac number, because 495280901 - 2² = 495280897 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 (495280931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33395 + ... + 45888.

It is an arithmetic number, because the mean of its divisors is an integer number (123841608).

Almost surely, 2^495280901 is an apocalyptic number.

It is an amenable number.

495280901 is a deficient number, since it is larger than the sum of its proper divisors (85531).

495280901 is an equidigital number, since it uses as much as digits as its factorization.

495280901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85530.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 495280901 is about 22254.9073464708. The cubic root of 495280901 is about 791.1955944580.

The spelling of 495280901 in words is "four hundred ninety-five million, two hundred eighty thousand, nine hundred one".