2141531025 has 24 divisors (see below), whose sum is σ = 3563236224. Its totient is φ = 1134868800.

The previous prime is 2141531011. The next prime is 2141531053. The reversal of 2141531025 is 5201351412.

It is a happy number.

It is not a de Polignac number, because 2141531025 - 2⁴ = 2141531009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2141530986 and 2141531004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79161 + ... + 102710.

It is an arithmetic number, because the mean of its divisors is an integer number (148468176).

Almost surely, 2^2141531025 is an apocalyptic number.

2141531025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2141531025 is a deficient number, since it is larger than the sum of its proper divisors (1421705199).

2141531025 is a wasteful number, since it uses less digits than its factorization.

2141531025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182041 (or 182036 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2141531025 is about 46276.6790619206. The cubic root of 2141531025 is about 1288.9659852882.

Adding to 2141531025 its reverse (5201351412), we get a palindrome (7342882437).

The spelling of 2141531025 in words is "two billion, one hundred forty-one million, five hundred thirty-one thousand, twenty-five".