2488955257 has 8 divisors (see below), whose sum is σ = 2563358400. Its totient is φ = 2414927664.

The previous prime is 2488955251. The next prime is 2488955263. The reversal of 2488955257 is 7525598842.

2488955257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2488955251) and next prime (2488955263).

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-2488955257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2488955198 and 2488955207.

It is not an unprimeable number, because it can be changed into a prime (2488955251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80407 + ... + 106972.

It is an arithmetic number, because the mean of its divisors is an integer number (320419800).

Almost surely, 2^2488955257 is an apocalyptic number.

It is an amenable number.

2488955257 is a deficient number, since it is larger than the sum of its proper divisors (74403143).

2488955257 is a wasteful number, since it uses less digits than its factorization.

2488955257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187775.

The product of its digits is 8064000, while the sum is 55.

The square root of 2488955257 is about 49889.4303134441. The cubic root of 2488955257 is about 1355.2071880817.

The spelling of 2488955257 in words is "two billion, four hundred eighty-eight million, nine hundred fifty-five thousand, two hundred fifty-seven".