1051491314 has 4 divisors (see below), whose sum is σ = 1577236974. Its totient is φ = 525745656.

The previous prime is 1051491313. The next prime is 1051491317. The reversal of 1051491314 is 4131941501.

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

It can be written as a sum of positive squares in only one way, i.e., 1041675625 + 9815689 = 32275^2 + 3133^2 .

It is a super-2 number, since 2×1051491314² = 2211267966834893192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051491313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262872827 + ... + 262872830.

Almost surely, 2^1051491314 is an apocalyptic number.

1051491314 is a deficient number, since it is larger than the sum of its proper divisors (525745660).

1051491314 is an equidigital number, since it uses as much as digits as its factorization.

1051491314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525745659.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1051491314 is about 32426.7068016473. The cubic root of 1051491314 is about 1016.8773247731.

The spelling of 1051491314 in words is "one billion, fifty-one million, four hundred ninety-one thousand, three hundred fourteen".