1051751551 has 4 divisors (see below), whose sum is σ = 1054126152. Its totient is φ = 1049376952.

The previous prime is 1051751531. The next prime is 1051751581. The reversal of 1051751551 is 1551571501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1551571501 = 191 ⋅8123411.

It is a cyclic number.

It is not a de Polignac number, because 1051751551 - 2²⁵ = 1018197119 is a prime.

It is a super-2 number, since 2×1051751551² = 2212362650061811202, 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 (1051751501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186636 + ... + 1187521.

It is an arithmetic number, because the mean of its divisors is an integer number (263531538).

Almost surely, 2^1051751551 is an apocalyptic number.

1051751551 is a deficient number, since it is larger than the sum of its proper divisors (2374601).

1051751551 is an equidigital number, since it uses as much as digits as its factorization.

1051751551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374600.

The product of its (nonzero) digits is 4375, while the sum is 31.

The square root of 1051751551 is about 32430.7192488850. The cubic root of 1051751551 is about 1016.9612079438.

The spelling of 1051751551 in words is "one billion, fifty-one million, seven hundred fifty-one thousand, five hundred fifty-one".