254361623 has 4 divisors (see below), whose sum is σ = 265420848. Its totient is φ = 243302400.

The previous prime is 254361617. The next prime is 254361629. The reversal of 254361623 is 326163452.

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

It is an interprime number because it is at equal distance from previous prime (254361617) and next prime (254361629).

It is a cyclic number.

It is not a de Polignac number, because 254361623 - 2¹⁶ = 254296087 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 254361623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254361629) 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, 5529578 + ... + 5529623.

It is an arithmetic number, because the mean of its divisors is an integer number (66355212).

Almost surely, 2^254361623 is an apocalyptic number.

254361623 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

254361623 is a deficient number, since it is larger than the sum of its proper divisors (11059225).

254361623 is a wasteful number, since it uses less digits than its factorization.

254361623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11059224.

The product of its digits is 25920, while the sum is 32.

The square root of 254361623 is about 15948.7185378638. The cubic root of 254361623 is about 633.6029575593.

The spelling of 254361623 in words is "two hundred fifty-four million, three hundred sixty-one thousand, six hundred twenty-three".