290051 has 4 divisors (see below), whose sum is σ = 293400. Its totient is φ = 286704.

The previous prime is 290047. The next prime is 290057. The reversal of 290051 is 150092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 290051 - 2² = 290047 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 290051.

It is not an unprimeable number, because it can be changed into a prime (290057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (73350).

2²⁹⁰⁰⁵¹ is an apocalyptic number.

290051 is a deficient number, since it is larger than the sum of its proper divisors (3349).

290051 is an equidigital number, since it uses as much as digits as its factorization.

290051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 290051 is about 538.5638309430. The cubic root of 290051 is about 66.1949394184.

The spelling of 290051 in words is "two hundred ninety thousand, fifty-one".