1051653943 has 8 divisors (see below), whose sum is σ = 1059327360. Its totient is φ = 1043997240.

The previous prime is 1051653919. The next prime is 1051653959. The reversal of 1051653943 is 3493561501.

It is a happy number.

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 1051653943 - 2⁹ = 1051653431 is a prime.

It is a super-2 number, since 2×1051653943² = 2211952031654894498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051656943) 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, 139788 + ... + 147118.

It is an arithmetic number, because the mean of its divisors is an integer number (132415920).

Almost surely, 2^1051653943 is an apocalyptic number.

1051653943 is a deficient number, since it is larger than the sum of its proper divisors (7673417).

1051653943 is an equidigital number, since it uses as much as digits as its factorization.

1051653943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8357.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 1051653943 is about 32429.2143444765. The cubic root of 1051653943 is about 1016.9297472119.

The spelling of 1051653943 in words is "one billion, fifty-one million, six hundred fifty-three thousand, nine hundred forty-three".