2552520731 has 8 divisors (see below), whose sum is σ = 2585740800. Its totient is φ = 2519323560.

The previous prime is 2552520683. The next prime is 2552520793. The reversal of 2552520731 is 1370252552.

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 2552520731 - 2¹⁰ = 2552519707 is a prime.

It is a super-3 number, since 3×2552520731³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2552520431) 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, 438800 + ... + 444578.

It is an arithmetic number, because the mean of its divisors is an integer number (323217600).

Almost surely, 2^2552520731 is an apocalyptic number.

2552520731 is a deficient number, since it is larger than the sum of its proper divisors (33220069).

2552520731 is an equidigital number, since it uses as much as digits as its factorization.

2552520731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11449.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 2552520731 is about 50522.4774827997. The cubic root of 2552520731 is about 1366.6472317747.

The spelling of 2552520731 in words is "two billion, five hundred fifty-two million, five hundred twenty thousand, seven hundred thirty-one".