495191236 has 6 divisors (see below), whose sum is σ = 866584670. Its totient is φ = 247595616.

The previous prime is 495191231. The next prime is 495191287. The reversal of 495191236 is 632191594.

It can be written as a sum of positive squares in only one way, i.e., 308704900 + 186486336 = 17570^2 + 13656^2 .

It is a super-2 number, since 2×495191236² = 490428720422415392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (495191231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61898901 + ... + 61898908.

Almost surely, 2^495191236 is an apocalyptic number.

It is an amenable number.

495191236 is a deficient number, since it is larger than the sum of its proper divisors (371393434).

495191236 is a wasteful number, since it uses less digits than its factorization.

495191236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123797813 (or 123797811 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 495191236 is about 22252.8927557745. The cubic root of 495191236 is about 791.1478459080.

The spelling of 495191236 in words is "four hundred ninety-five million, one hundred ninety-one thousand, two hundred thirty-six".