254542466 has 4 divisors (see below), whose sum is σ = 381813702. Its totient is φ = 127271232.

The previous prime is 254542451. The next prime is 254542469. The reversal of 254542466 is 664245452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 219484225 + 35058241 = 14815^2 + 5921^2 .

It is a super-2 number, since 2×254542466² = 129583733994722312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254542469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63635615 + ... + 63635618.

Almost surely, 2^254542466 is an apocalyptic number.

254542466 is a deficient number, since it is larger than the sum of its proper divisors (127271236).

254542466 is a wasteful number, since it uses less digits than its factorization.

254542466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127271235.

The product of its digits is 230400, while the sum is 38.

The square root of 254542466 is about 15954.3870455746. The cubic root of 254542466 is about 633.7530791515.

The spelling of 254542466 in words is "two hundred fifty-four million, five hundred forty-two thousand, four hundred sixty-six".