2553515 has 8 divisors (see below), whose sum is σ = 3107808. Its totient is φ = 2013760.

The previous prime is 2553511. The next prime is 2553527. The reversal of 2553515 is 5153552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2553515 - 2² = 2553511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3242 + ... + 3951.

It is an arithmetic number, because the mean of its divisors is an integer number (388476).

2^2553515 is an apocalyptic number.

2553515 is a deficient number, since it is larger than the sum of its proper divisors (554293).

2553515 is an equidigital number, since it uses as much as digits as its factorization.

2553515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269.

The product of its digits is 3750, while the sum is 26.

The square root of 2553515 is about 1597.9721524482. The cubic root of 2553515 is about 136.6824656202.

The spelling of 2553515 in words is "two million, five hundred fifty-three thousand, five hundred fifteen".