2253516215 has 16 divisors (see below), whose sum is σ = 2745596736. Its totient is φ = 1775289600.

The previous prime is 2253516197. The next prime is 2253516217. The reversal of 2253516215 is 5126153522.

It is not a de Polignac number, because 2253516215 - 2¹⁶ = 2253450679 is a prime.

It is a super-3 number, since 3×2253516215³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253516217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334985 + ... + 341645.

It is an arithmetic number, because the mean of its divisors is an integer number (171599796).

Almost surely, 2^2253516215 is an apocalyptic number.

2253516215 is a deficient number, since it is larger than the sum of its proper divisors (492080521).

2253516215 is an equidigital number, since it uses as much as digits as its factorization.

2253516215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7690.

The product of its digits is 18000, while the sum is 32.

The square root of 2253516215 is about 47471.2145936882. The cubic root of 2253516215 is about 1311.0529411069.

Adding to 2253516215 its reverse (5126153522), we get a palindrome (7379669737).

The spelling of 2253516215 in words is "two billion, two hundred fifty-three million, five hundred sixteen thousand, two hundred fifteen".