254462393 has 2 divisors, whose sum is σ = 254462394. Its totient is φ = 254462392.

The previous prime is 254462389. The next prime is 254462491. The reversal of 254462393 is 393264452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180983209 + 73479184 = 13453^2 + 8572^2 .

It is a cyclic number.

It is not a de Polignac number, because 254462393 - 2² = 254462389 is a prime.

It is a super-2 number, since 2×254462393² = 129502218902572898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (254462333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127231196 + 127231197.

It is an arithmetic number, because the mean of its divisors is an integer number (127231197).

Almost surely, 2^254462393 is an apocalyptic number.

It is an amenable number.

254462393 is a deficient number, since it is larger than the sum of its proper divisors (1).

254462393 is an equidigital number, since it uses as much as digits as its factorization.

254462393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The square root of 254462393 is about 15951.8774130194. The cubic root of 254462393 is about 633.6866176382.

The spelling of 254462393 in words is "two hundred fifty-four million, four hundred sixty-two thousand, three hundred ninety-three".