2552031021 has 8 divisors (see below), whose sum is σ = 3411981184. Its totient is φ = 1696717440.

The previous prime is 2552030981. The next prime is 2552031023. The reversal of 2552031021 is 1201302552.

2552031021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2552031021 - 2⁷ = 2552030893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552031023) 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, 1157860 + ... + 1160061.

It is an arithmetic number, because the mean of its divisors is an integer number (426497648).

Almost surely, 2^2552031021 is an apocalyptic number.

It is an amenable number.

2552031021 is a deficient number, since it is larger than the sum of its proper divisors (859950163).

2552031021 is a wasteful number, since it uses less digits than its factorization.

2552031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318291.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2552031021 is about 50517.6307936150. The cubic root of 2552031021 is about 1366.5598275064.

Adding to 2552031021 its reverse (1201302552), we get a palindrome (3753333573).

The spelling of 2552031021 in words is "two billion, five hundred fifty-two million, thirty-one thousand, twenty-one".