2552921 has 8 divisors (see below), whose sum is σ = 2931264. Its totient is φ = 2178000.

The previous prime is 2552917. The next prime is 2552939. The reversal of 2552921 is 1292552.

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 2552921 - 2² = 2552917 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2552951) 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, 1031 + ... + 2483.

It is an arithmetic number, because the mean of its divisors is an integer number (366408).

2^2552921 is an apocalyptic number.

It is an amenable number.

2552921 is a deficient number, since it is larger than the sum of its proper divisors (378343).

2552921 is a wasteful number, since it uses less digits than its factorization.

2552921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711.

The product of its digits is 1800, while the sum is 26.

The square root of 2552921 is about 1597.7862810777. The cubic root of 2552921 is about 136.6718664160.

The spelling of 2552921 in words is "two million, five hundred fifty-two thousand, nine hundred twenty-one".