2154250313 has 4 divisors (see below), whose sum is σ = 2160423300. Its totient is φ = 2148077328.

The previous prime is 2154250291. The next prime is 2154250321. The reversal of 2154250313 is 3130524512.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 638471824 + 1515778489 = 25268^2 + 38933^2 .

It is a cyclic number.

It is not a de Polignac number, because 2154250313 - 2¹⁸ = 2153988169 is a prime.

It is a super-2 number, since 2×2154250313² = 9281588822121195938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2154250363) 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, 3085970 + ... + 3086667.

It is an arithmetic number, because the mean of its divisors is an integer number (540105825).

Almost surely, 2^2154250313 is an apocalyptic number.

It is an amenable number.

2154250313 is a deficient number, since it is larger than the sum of its proper divisors (6172987).

2154250313 is an equidigital number, since it uses as much as digits as its factorization.

2154250313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172986.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2154250313 is about 46413.9021522647. The cubic root of 2154250313 is about 1291.5128202549.

Adding to 2154250313 its reverse (3130524512), we get a palindrome (5284774825).

The spelling of 2154250313 in words is "two billion, one hundred fifty-four million, two hundred fifty thousand, three hundred thirteen".