2251550039 has 2 divisors, whose sum is σ = 2251550040. Its totient is φ = 2251550038.

The previous prime is 2251550033. The next prime is 2251550071. The reversal of 2251550039 is 9300551522.

It is an a-pointer prime, because the next prime (2251550071) can be obtained adding 2251550039 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2251550039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2251549987 and 2251550014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251550033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125775019 + 1125775020.

It is an arithmetic number, because the mean of its divisors is an integer number (1125775020).

Almost surely, 2^2251550039 is an apocalyptic number.

2251550039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251550039 is an equidigital number, since it uses as much as digits as its factorization.

2251550039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 2251550039 is about 47450.5009351851. The cubic root of 2251550039 is about 1310.6715355407.

The spelling of 2251550039 in words is "two billion, two hundred fifty-one million, five hundred fifty thousand, thirty-nine".