103551457 has 2 divisors, whose sum is σ = 103551458. Its totient is φ = 103551456.

The previous prime is 103551443. The next prime is 103551473. The reversal of 103551457 is 754155301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82428241 + 21123216 = 9079^2 + 4596^2 .

It is a cyclic number.

It is not a de Polignac number, because 103551457 - 2¹¹ = 103549409 is a prime.

It is a super-3 number, since 3×103551457³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (103551557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51775728 + 51775729.

It is an arithmetic number, because the mean of its divisors is an integer number (51775729).

Almost surely, 2^103551457 is an apocalyptic number.

It is an amenable number.

103551457 is a deficient number, since it is larger than the sum of its proper divisors (1).

103551457 is an equidigital number, since it uses as much as digits as its factorization.

103551457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 103551457 is about 10176.0236340134. The cubic root of 103551457 is about 469.5898897245.

The spelling of 103551457 in words is "one hundred three million, five hundred fifty-one thousand, four hundred fifty-seven".