254821625 has 8 divisors (see below), whose sum is σ = 318017544. Its totient is φ = 203857200.

The previous prime is 254821613. The next prime is 254821631. The reversal of 254821625 is 526128452.

254821625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 55785961 + 199035664 = 7469^2 + 14108^2 .

It is not a de Polignac number, because 254821625 - 2¹⁴ = 254805241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019162 + ... + 1019411.

It is an arithmetic number, because the mean of its divisors is an integer number (39752193).

Almost surely, 2^254821625 is an apocalyptic number.

254821625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254821625 is a deficient number, since it is larger than the sum of its proper divisors (63195919).

254821625 is an equidigital number, since it uses as much as digits as its factorization.

254821625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038588 (or 2038578 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 254821625 is about 15963.1333077188. The cubic root of 254821625 is about 633.9846753984.

The spelling of 254821625 in words is "two hundred fifty-four million, eight hundred twenty-one thousand, six hundred twenty-five".