254402641 has 4 divisors (see below), whose sum is σ = 255734784. Its totient is φ = 253070500.

The previous prime is 254402573. The next prime is 254402651. The reversal of 254402641 is 146204452.

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 254402641 - 2⁹ = 254402129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254402651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665785 + ... + 666166.

It is an arithmetic number, because the mean of its divisors is an integer number (63933696).

Almost surely, 2^254402641 is an apocalyptic number.

It is an amenable number.

254402641 is a deficient number, since it is larger than the sum of its proper divisors (1332143).

254402641 is a wasteful number, since it uses less digits than its factorization.

254402641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332142.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 254402641 is about 15950.0044200621. The cubic root of 254402641 is about 633.6370137047.

The spelling of 254402641 in words is "two hundred fifty-four million, four hundred two thousand, six hundred forty-one".