1250345663 has 8 divisors (see below), whose sum is σ = 1432949760. Its totient is φ = 1068737400.

The previous prime is 1250345659. The next prime is 1250345671. The reversal of 1250345663 is 3665430521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1250345663 - 2² = 1250345659 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 (1250345633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246263 + ... + 251288.

It is an arithmetic number, because the mean of its divisors is an integer number (179118720).

Almost surely, 2^1250345663 is an apocalyptic number.

1250345663 is a deficient number, since it is larger than the sum of its proper divisors (182604097).

1250345663 is an equidigital number, since it uses as much as digits as its factorization.

1250345663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497917.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 1250345663 is about 35360.2271344515. The cubic root of 1250345663 is about 1077.3166303125.

The spelling of 1250345663 in words is "one billion, two hundred fifty million, three hundred forty-five thousand, six hundred sixty-three".