1051553791 has 2 divisors, whose sum is σ = 1051553792. Its totient is φ = 1051553790.

The previous prime is 1051553731. The next prime is 1051553843. The reversal of 1051553791 is 1973551501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1051553791 - 2¹⁷ = 1051422719 is a prime.

It is a super-2 number, since 2×1051553791² = 2211530750732943362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051553791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051553731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525776895 + 525776896.

It is an arithmetic number, because the mean of its divisors is an integer number (525776896).

Almost surely, 2^1051553791 is an apocalyptic number.

1051553791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051553791 is an equidigital number, since it uses as much as digits as its factorization.

1051553791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23625, while the sum is 37.

The square root of 1051553791 is about 32427.6701444923. The cubic root of 1051553791 is about 1016.8974644818.

The spelling of 1051553791 in words is "one billion, fifty-one million, five hundred fifty-three thousand, seven hundred ninety-one".