906251 has 4 divisors (see below), whose sum is σ = 908352. Its totient is φ = 904152.

The previous prime is 906233. The next prime is 906259. The reversal of 906251 is 152609.

906251 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.

It is a cyclic number.

It is not a de Polignac number, because 906251 - 2⁶ = 906187 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 906251.

It is not an unprimeable number, because it can be changed into a prime (906259) 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, 140 + ... + 1353.

It is an arithmetic number, because the mean of its divisors is an integer number (227088).

2⁹⁰⁶²⁵¹ is an apocalyptic number.

906251 is a deficient number, since it is larger than the sum of its proper divisors (2101).

906251 is a wasteful number, since it uses less digits than its factorization.

906251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 906251 is about 951.9721634586. The cubic root of 906251 is about 96.7719516099.

The spelling of 906251 in words is "nine hundred six thousand, two hundred fifty-one".