2920251 has 16 divisors (see below), whose sum is σ = 4032000. Its totient is φ = 1879008.

The previous prime is 2920249. The next prime is 2920273. The reversal of 2920251 is 1520292.

It is not a de Polignac number, because 2920251 - 2¹ = 2920249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2920201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19525 + ... + 19673.

It is an arithmetic number, because the mean of its divisors is an integer number (252000).

2^2920251 is an apocalyptic number.

2920251 is a deficient number, since it is larger than the sum of its proper divisors (1111749).

2920251 is a wasteful number, since it uses less digits than its factorization.

2920251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2920251 is about 1708.8741908052. The cubic root of 2920251 is about 142.9354852675.

The spelling of 2920251 in words is "two million, nine hundred twenty thousand, two hundred fifty-one".