2531451141 has 6 divisors (see below), whose sum is σ = 3656540550. Its totient is φ = 1687634088.

The previous prime is 2531451133. The next prime is 2531451157. The reversal of 2531451141 is 1411541352.

It can be written as a sum of positive squares in only one way, i.e., 1791067041 + 740384100 = 42321^2 + 27210^2 .

It is not a de Polignac number, because 2531451141 - 2³ = 2531451133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531451121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140636166 + ... + 140636183.

It is an arithmetic number, because the mean of its divisors is an integer number (609423425).

Almost surely, 2^2531451141 is an apocalyptic number.

It is an amenable number.

2531451141 is a deficient number, since it is larger than the sum of its proper divisors (1125089409).

2531451141 is a wasteful number, since it uses less digits than its factorization.

2531451141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281272355 (or 281272352 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 2531451141 is about 50313.5284093652. The cubic root of 2531451141 is about 1362.8765421819.

Adding to 2531451141 its reverse (1411541352), we get a palindrome (3942992493).

The spelling of 2531451141 in words is "two billion, five hundred thirty-one million, four hundred fifty-one thousand, one hundred forty-one".