2987242251 has 8 divisors (see below), whose sum is σ = 4551988224. Its totient is φ = 1706995560.

The previous prime is 2987242229. The next prime is 2987242259. The reversal of 2987242251 is 1522427892.

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

It is not a de Polignac number, because 2987242251 - 2²⁵ = 2953687819 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2987242259) 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, 71124795 + ... + 71124836.

It is an arithmetic number, because the mean of its divisors is an integer number (568998528).

Almost surely, 2^2987242251 is an apocalyptic number.

2987242251 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2987242251 is a deficient number, since it is larger than the sum of its proper divisors (1564745973).

2987242251 is a wasteful number, since it uses less digits than its factorization.

2987242251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142249641.

The product of its digits is 161280, while the sum is 42.

The square root of 2987242251 is about 54655.6698888597. The cubic root of 2987242251 is about 1440.2022367388.

The spelling of 2987242251 in words is "two billion, nine hundred eighty-seven million, two hundred forty-two thousand, two hundred fifty-one".