2452787281 has 8 divisors (see below), whose sum is σ = 2803486464. Its totient is φ = 2102163360.

The previous prime is 2452787279. The next prime is 2452787287. The reversal of 2452787281 is 1827872542.

It is a happy number.

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 2452787281 - 2¹ = 2452787279 is a prime.

It is a super-2 number, since 2×2452787281² = 12032330891670745922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2452787287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108261 + ... + 128941.

It is an arithmetic number, because the mean of its divisors is an integer number (350435808).

Almost surely, 2^2452787281 is an apocalyptic number.

It is an amenable number.

2452787281 is a deficient number, since it is larger than the sum of its proper divisors (350699183).

2452787281 is a wasteful number, since it uses less digits than its factorization.

2452787281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37631.

The product of its digits is 501760, while the sum is 46.

The square root of 2452787281 is about 49525.6224695864. The cubic root of 2452787281 is about 1348.6107850961.

The spelling of 2452787281 in words is "two billion, four hundred fifty-two million, seven hundred eighty-seven thousand, two hundred eighty-one".