2125411291 has 2 divisors, whose sum is σ = 2125411292. Its totient is φ = 2125411290.

The previous prime is 2125411273. The next prime is 2125411333. The reversal of 2125411291 is 1921145212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2125411291 - 2¹¹ = 2125409243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2125411891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062705645 + 1062705646.

It is an arithmetic number, because the mean of its divisors is an integer number (1062705646).

Almost surely, 2^2125411291 is an apocalyptic number.

2125411291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125411291 is an equidigital number, since it uses as much as digits as its factorization.

2125411291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 28.

The square root of 2125411291 is about 46102.1831478727. The cubic root of 2125411291 is about 1285.7237346825.

The spelling of 2125411291 in words is "two billion, one hundred twenty-five million, four hundred eleven thousand, two hundred ninety-one".