1051544357 has 2 divisors, whose sum is σ = 1051544358. Its totient is φ = 1051544356.

The previous prime is 1051544281. The next prime is 1051544381. The reversal of 1051544357 is 7534451501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996917476 + 54626881 = 31574^2 + 7391^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051544357 - 2⁸ = 1051544101 is a prime.

It is a super-2 number, since 2×1051544357² = 2211491069477086898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051541357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525772178 + 525772179.

It is an arithmetic number, because the mean of its divisors is an integer number (525772179).

Almost surely, 2^1051544357 is an apocalyptic number.

It is an amenable number.

1051544357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051544357 is an equidigital number, since it uses as much as digits as its factorization.

1051544357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 1051544357 is about 32427.5246819735. The cubic root of 1051544357 is about 1016.8944234456.

Adding to 1051544357 its reverse (7534451501), we get a palindrome (8585995858).

It can be divided in two parts, 10515 and 44357, that added together give a cube (54872 = 38³).

The spelling of 1051544357 in words is "one billion, fifty-one million, five hundred forty-four thousand, three hundred fifty-seven".