2516951 has 4 divisors (see below), whose sum is σ = 2522304. Its totient is φ = 2511600.

The previous prime is 2516947. The next prime is 2516953. The reversal of 2516951 is 1596152.

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 2516951 - 2² = 2516947 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 (2516953) 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, 1895 + ... + 2936.

It is an arithmetic number, because the mean of its divisors is an integer number (630576).

2^2516951 is an apocalyptic number.

2516951 is the 710-th centered decagonal number.

2516951 is a deficient number, since it is larger than the sum of its proper divisors (5353).

2516951 is an equidigital number, since it uses as much as digits as its factorization.

2516951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352.

The product of its digits is 2700, while the sum is 29.

The square root of 2516951 is about 1586.4901512458. The cubic root of 2516951 is about 136.0269374266.

The spelling of 2516951 in words is "two million, five hundred sixteen thousand, nine hundred fifty-one".