9051149 has 4 divisors (see below), whose sum is σ = 9060960. Its totient is φ = 9041340.

The previous prime is 9051139. The next prime is 9051221. The reversal of 9051149 is 9411509.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9411509 = 41 ⋅229549.

It is a cyclic number.

It is not a de Polignac number, because 9051149 - 2¹² = 9047053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9051139) 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, 3359 + ... + 5420.

It is an arithmetic number, because the mean of its divisors is an integer number (2265240).

Almost surely, 2^9051149 is an apocalyptic number.

It is an amenable number.

9051149 is a deficient number, since it is larger than the sum of its proper divisors (9811).

9051149 is a wasteful number, since it uses less digits than its factorization.

9051149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9810.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 9051149 is about 3008.5127554990. The cubic root of 9051149 is about 208.4016907773.

The spelling of 9051149 in words is "nine million, fifty-one thousand, one hundred forty-nine".