254253661015 has 8 divisors (see below), whose sum is σ = 310275654480. Its totient is φ = 199955421312.

The previous prime is 254253661003. The next prime is 254253661049. The reversal of 254253661015 is 510166352452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254253661015 - 2⁷ = 254253660887 is a prime.

It is a congruent 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, 430938114 + ... + 430938703.

It is an arithmetic number, because the mean of its divisors is an integer number (38784456810).

Almost surely, 2^254253661015 is an apocalyptic number.

254253661015 is a deficient number, since it is larger than the sum of its proper divisors (56021993465).

254253661015 is an equidigital number, since it uses as much as digits as its factorization.

254253661015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861876881.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 254253661015 in words is "two hundred fifty-four billion, two hundred fifty-three million, six hundred sixty-one thousand, fifteen".