7481145251 has 2 divisors, whose sum is σ = 7481145252. Its totient is φ = 7481145250.

The previous prime is 7481145227. The next prime is 7481145263. The reversal of 7481145251 is 1525411847.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7481145251 - 2¹⁴ = 7481128867 is a prime.

It is not a weakly prime, because it can be changed into another prime (7481145211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740572625 + 3740572626.

It is an arithmetic number, because the mean of its divisors is an integer number (3740572626).

Almost surely, 2^7481145251 is an apocalyptic number.

7481145251 is a deficient number, since it is larger than the sum of its proper divisors (1).

7481145251 is an equidigital number, since it uses as much as digits as its factorization.

7481145251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 38.

The square root of 7481145251 is about 86493.6139318967. The cubic root of 7481145251 is about 1955.7921363965.

The spelling of 7481145251 in words is "seven billion, four hundred eighty-one million, one hundred forty-five thousand, two hundred fifty-one".