2154255013 has 8 divisors (see below), whose sum is σ = 2195612568. Its totient is φ = 2112923904.

The previous prime is 2154255001. The next prime is 2154255031. The reversal of 2154255013 is 3105524512.

It can be written as a sum of positive squares in 4 ways, for example, as 199996164 + 1954258849 = 14142^2 + 44207^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2154255013 is a prime.

It is a super-2 number, since 2×2154255013² = 9281629322071260338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154255043) 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 7 ways as a sum of consecutive naturals, for example, 257545 + ... + 265777.

It is an arithmetic number, because the mean of its divisors is an integer number (274451571).

Almost surely, 2^2154255013 is an apocalyptic number.

It is an amenable number.

2154255013 is a deficient number, since it is larger than the sum of its proper divisors (41357555).

2154255013 is an equidigital number, since it uses as much as digits as its factorization.

2154255013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13223.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2154255013 is about 46413.9527836189. The cubic root of 2154255013 is about 1291.5137594998.

Adding to 2154255013 its reverse (3105524512), we get a palindrome (5259779525).

The spelling of 2154255013 in words is "two billion, one hundred fifty-four million, two hundred fifty-five thousand, thirteen".