2250037891 has 2 divisors, whose sum is σ = 2250037892. Its totient is φ = 2250037890.

The previous prime is 2250037843. The next prime is 2250037943. The reversal of 2250037891 is 1987300522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2250037891 - 2⁷ = 2250037763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2250037891.

It is not a weakly prime, because it can be changed into another prime (2250031891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125018945 + 1125018946.

It is an arithmetic number, because the mean of its divisors is an integer number (1125018946).

Almost surely, 2^2250037891 is an apocalyptic number.

2250037891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2250037891 is an equidigital number, since it uses as much as digits as its factorization.

2250037891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2250037891 is about 47434.5643070536. The cubic root of 2250037891 is about 1310.3780528048.

The spelling of 2250037891 in words is "two billion, two hundred fifty million, thirty-seven thousand, eight hundred ninety-one".