2609151 has 4 divisors (see below), whose sum is σ = 3478872. Its totient is φ = 1739432.

The previous prime is 2609147. The next prime is 2609171. The reversal of 2609151 is 1519062.

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 2609151 - 2² = 2609147 is a prime.

It is a D-number.

2609151 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2609171) 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, 434856 + ... + 434861.

It is an arithmetic number, because the mean of its divisors is an integer number (869718).

2^2609151 is an apocalyptic number.

2609151 is a deficient number, since it is larger than the sum of its proper divisors (869721).

2609151 is an equidigital number, since it uses as much as digits as its factorization.

2609151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869720.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 2609151 is about 1615.2866618653. The cubic root of 2609151 is about 137.6680215954.

The spelling of 2609151 in words is "two million, six hundred nine thousand, one hundred fifty-one".