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10551487 is a prime number
BaseRepresentation
bin101000010000…
…000010111111
3201212001220211
4220100002333
510200121422
61014053251
7155454232
oct50200277
921761824
1010551487
115a57541
12364a227
1322558ab
141589419
15dd6577
hexa100bf

10551487 has 2 divisors, whose sum is σ = 10551488. Its totient is φ = 10551486.

The previous prime is 10551467. The next prime is 10551491. The reversal of 10551487 is 78415501.

It is a strong prime.

It is an emirp because it is prime and its reverse (78415501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10551487 - 211 = 10549439 is a prime.

It is a super-2 number, since 2×105514872 = 222667755822338, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10551467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275743 + 5275744.

It is an arithmetic number, because the mean of its divisors is an integer number (5275744).

Almost surely, 210551487 is an apocalyptic number.

10551487 is a deficient number, since it is larger than the sum of its proper divisors (1).

10551487 is an equidigital number, since it uses as much as digits as its factorization.

10551487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 10551487 is about 3248.3052504344. The cubic root of 10551487 is about 219.3332915028. Note that the first 3 decimals are identical.

Adding to 10551487 its reverse (78415501), we get a palindrome (88966988).

The spelling of 10551487 in words is "ten million, five hundred fifty-one thousand, four hundred eighty-seven".