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10103557 is a prime number
BaseRepresentation
bin100110100010…
…101100000101
3201000022110211
4212202230011
510041303212
61000315421
7151610302
oct46425405
921008424
1010103557
115780a52
123472b71
132129a49
1414b00a9
15d489a7
hex9a2b05

10103557 has 2 divisors, whose sum is σ = 10103558. Its totient is φ = 10103556.

The previous prime is 10103531. The next prime is 10103563. The reversal of 10103557 is 75530101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6895876 + 3207681 = 2626^2 + 1791^2 .

It is an emirp because it is prime and its reverse (75530101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10103557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10103567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051778 + 5051779.

It is an arithmetic number, because the mean of its divisors is an integer number (5051779).

Almost surely, 210103557 is an apocalyptic number.

It is an amenable number.

10103557 is a deficient number, since it is larger than the sum of its proper divisors (1).

10103557 is an equidigital number, since it uses as much as digits as its factorization.

10103557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 10103557 is about 3178.6092870940. The cubic root of 10103557 is about 216.1846058407.

Adding to 10103557 its reverse (75530101), we get a palindrome (85633658).

The spelling of 10103557 in words is "ten million, one hundred three thousand, five hundred fifty-seven".