254762641 has 4 divisors (see below), whose sum is σ = 291157312. Its totient is φ = 218367972.

The previous prime is 254762639. The next prime is 254762647. The reversal of 254762641 is 146267452.

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 254762641 - 2¹ = 254762639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 254762641.

It is not an unprimeable number, because it can be changed into a prime (254762647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18197325 + ... + 18197338.

It is an arithmetic number, because the mean of its divisors is an integer number (72789328).

Almost surely, 2^254762641 is an apocalyptic number.

It is an amenable number.

254762641 is a deficient number, since it is larger than the sum of its proper divisors (36394671).

254762641 is an equidigital number, since it uses as much as digits as its factorization.

254762641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36394670.

The product of its digits is 80640, while the sum is 37.

The square root of 254762641 is about 15961.2856938281. The cubic root of 254762641 is about 633.9357551158.

The spelling of 254762641 in words is "two hundred fifty-four million, seven hundred sixty-two thousand, six hundred forty-one".