1250055263 has 4 divisors (see below), whose sum is σ = 1250403168. Its totient is φ = 1249707360.

The previous prime is 1250055259. The next prime is 1250055299. The reversal of 1250055263 is 3625500521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3625500521 = 9227 ⋅392923.

It is a cyclic number.

It is not a de Polignac number, because 1250055263 - 2² = 1250055259 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 (1250255263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168506 + ... + 175767.

It is an arithmetic number, because the mean of its divisors is an integer number (312600792).

Almost surely, 2^1250055263 is an apocalyptic number.

1250055263 is a deficient number, since it is larger than the sum of its proper divisors (347905).

1250055263 is an equidigital number, since it uses as much as digits as its factorization.

1250055263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347904.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1250055263 is about 35356.1205875305. The cubic root of 1250055263 is about 1077.2332195186.

Adding to 1250055263 its reverse (3625500521), we get a palindrome (4875555784).

The spelling of 1250055263 in words is "one billion, two hundred fifty million, fifty-five thousand, two hundred sixty-three".