2548191247 has 16 divisors (see below), whose sum is σ = 3020392000. Its totient is φ = 2148340320.

The previous prime is 2548191211. The next prime is 2548191277. The reversal of 2548191247 is 7421918452.

It is not a de Polignac number, because 2548191247 - 2¹⁵ = 2548158479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2548191277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39972 + ... + 81817.

It is an arithmetic number, because the mean of its divisors is an integer number (188774500).

Almost surely, 2^2548191247 is an apocalyptic number.

2548191247 is a deficient number, since it is larger than the sum of its proper divisors (472200753).

2548191247 is an equidigital number, since it uses as much as digits as its factorization.

2548191247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121871 (or 121857 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 2548191247 is about 50479.6121914580. The cubic root of 2548191247 is about 1365.8741102963.

The spelling of 2548191247 in words is "two billion, five hundred forty-eight million, one hundred ninety-one thousand, two hundred forty-seven".