254263641 has 4 divisors (see below), whose sum is σ = 339018192. Its totient is φ = 169509092.

The previous prime is 254263613. The next prime is 254263649. The reversal of 254263641 is 146362452.

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.

It is a cyclic number.

It is not a de Polignac number, because 254263641 - 2⁵ = 254263609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (254263649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42377271 + ... + 42377276.

It is an arithmetic number, because the mean of its divisors is an integer number (84754548).

Almost surely, 2^254263641 is an apocalyptic number.

It is an amenable number.

254263641 is a deficient number, since it is larger than the sum of its proper divisors (84754551).

254263641 is an equidigital number, since it uses as much as digits as its factorization.

254263641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84754550.

The product of its digits is 34560, while the sum is 33.

The square root of 254263641 is about 15945.6464591436. The cubic root of 254263641 is about 633.5215909111.

The spelling of 254263641 in words is "two hundred fifty-four million, two hundred sixty-three thousand, six hundred forty-one".