1051553743 has 4 divisors (see below), whose sum is σ = 1057850640. Its totient is φ = 1045256848.

The previous prime is 1051553731. The next prime is 1051553791. The reversal of 1051553743 is 3473551501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3473551501 = 7 ⋅496221643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051553743 is a prime.

It is a super-2 number, since 2×1051553743² = 2211530548834620098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051553699 and 1051553708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051553843) 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, 3148198 + ... + 3148531.

It is an arithmetic number, because the mean of its divisors is an integer number (264462660).

Almost surely, 2^1051553743 is an apocalyptic number.

1051553743 is a deficient number, since it is larger than the sum of its proper divisors (6296897).

1051553743 is an equidigital number, since it uses as much as digits as its factorization.

1051553743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6296896.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 1051553743 is about 32427.6694043837. The cubic root of 1051553743 is about 1016.8974490091.

The spelling of 1051553743 in words is "one billion, fifty-one million, five hundred fifty-three thousand, seven hundred forty-three".