2950581 has 4 divisors (see below), whose sum is σ = 3934112. Its totient is φ = 1967052.

The previous prime is 2950579. The next prime is 2950583. The reversal of 2950581 is 1850592.

2950581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2950579) and next prime (2950583).

It is not a de Polignac number, because 2950581 - 2¹ = 2950579 is a prime.

It is a super-2 number, since 2×2950581² = 17411856475122, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2950583) 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 3 ways as a sum of consecutive naturals, for example, 491761 + ... + 491766.

It is an arithmetic number, because the mean of its divisors is an integer number (983528).

2^2950581 is an apocalyptic number.

It is an amenable number.

2950581 is a deficient number, since it is larger than the sum of its proper divisors (983531).

2950581 is an equidigital number, since it uses as much as digits as its factorization.

2950581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983530.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 2950581 is about 1717.7255310439. The cubic root of 2950581 is about 143.4286290146.

The spelling of 2950581 in words is "two million, nine hundred fifty thousand, five hundred eighty-one".