1063755251 has 4 divisors (see below), whose sum is σ = 1145582592. Its totient is φ = 981927912.

The previous prime is 1063755233. The next prime is 1063755317. The reversal of 1063755251 is 1525573601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1063755251 - 2¹⁰ = 1063754227 is a prime.

It is a super-2 number, since 2×1063755251² = 2263150468060146002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1063755211) 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, 40913651 + ... + 40913676.

It is an arithmetic number, because the mean of its divisors is an integer number (286395648).

Almost surely, 2^1063755251 is an apocalyptic number.

1063755251 is a deficient number, since it is larger than the sum of its proper divisors (81827341).

1063755251 is an equidigital number, since it uses as much as digits as its factorization.

1063755251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81827340.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 1063755251 is about 32615.2610138260. The cubic root of 1063755251 is about 1020.8154606021.

The spelling of 1063755251 in words is "one billion, sixty-three million, seven hundred fifty-five thousand, two hundred fifty-one".