2920551 has 8 divisors (see below), whose sum is σ = 3943680. Its totient is φ = 1922232.

The previous prime is 2920543. The next prime is 2920571. The reversal of 2920551 is 1550292.

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

It is not a de Polignac number, because 2920551 - 2³ = 2920543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2920501) 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, 5925 + ... + 6398.

It is an arithmetic number, because the mean of its divisors is an integer number (492960).

2^2920551 is an apocalyptic number.

2920551 is a deficient number, since it is larger than the sum of its proper divisors (1023129).

2920551 is a wasteful number, since it uses less digits than its factorization.

2920551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12405.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 2920551 is about 1708.9619656388. The cubic root of 2920551 is about 142.9403797300.

The spelling of 2920551 in words is "two million, nine hundred twenty thousand, five hundred fifty-one".