495236381 has 2 divisors, whose sum is σ = 495236382. Its totient is φ = 495236380.

The previous prime is 495236363. The next prime is 495236429. The reversal of 495236381 is 183632594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320732281 + 174504100 = 17909^2 + 13210^2 .

It is a cyclic number.

It is not a de Polignac number, because 495236381 - 2¹⁴ = 495219997 is a prime.

It is a super-2 number, since 2×495236381² = 490518146131954322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495236351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247618190 + 247618191.

It is an arithmetic number, because the mean of its divisors is an integer number (247618191).

Almost surely, 2^495236381 is an apocalyptic number.

It is an amenable number.

495236381 is a deficient number, since it is larger than the sum of its proper divisors (1).

495236381 is an equidigital number, since it uses as much as digits as its factorization.

495236381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 495236381 is about 22253.9070951597. The cubic root of 495236381 is about 791.1718873164.

The spelling of 495236381 in words is "four hundred ninety-five million, two hundred thirty-six thousand, three hundred eighty-one".