2141531253 has 6 divisors (see below), whose sum is σ = 3093322934. Its totient is φ = 1427687496.

The previous prime is 2141531233. The next prime is 2141531269. The reversal of 2141531253 is 3521351412.

It can be written as a sum of positive squares in only one way, i.e., 1451838609 + 689692644 = 38103^2 + 26262^2 .

It is not a de Polignac number, because 2141531253 - 2¹⁶ = 2141465717 is a prime.

It is a super-2 number, since 2×2141531253² = 9172312215151500018, which contains 22 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 (2141531233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118973950 + ... + 118973967.

Almost surely, 2^2141531253 is an apocalyptic number.

It is an amenable number.

2141531253 is a deficient number, since it is larger than the sum of its proper divisors (951791681).

2141531253 is a wasteful number, since it uses less digits than its factorization.

2141531253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237947923 (or 237947920 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2141531253 is about 46276.6815253644. The cubic root of 2141531253 is about 1288.9660310318.

Adding to 2141531253 its reverse (3521351412), we get a palindrome (5662882665).

The spelling of 2141531253 in words is "two billion, one hundred forty-one million, five hundred thirty-one thousand, two hundred fifty-three".