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15012901 is a prime number
BaseRepresentation
bin111001010001…
…010000100101
31001020201211101
4321101100211
512320403101
61253440101
7241415251
oct71212045
931221741
1015012901
118524462
125040031
133158497
141dcb261
1514b8401
hexe51425

15012901 has 2 divisors, whose sum is σ = 15012902. Its totient is φ = 15012900.

The previous prime is 15012883. The next prime is 15012913. The reversal of 15012901 is 10921051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11383876 + 3629025 = 3374^2 + 1905^2 .

It is an emirp because it is prime and its reverse (10921051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15012901 - 213 = 15004709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15012941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7506450 + 7506451.

It is an arithmetic number, because the mean of its divisors is an integer number (7506451).

Almost surely, 215012901 is an apocalyptic number.

It is an amenable number.

15012901 is a deficient number, since it is larger than the sum of its proper divisors (1).

15012901 is an equidigital number, since it uses as much as digits as its factorization.

15012901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 15012901 is about 3874.6485001868. The cubic root of 15012901 is about 246.6918907327.

Adding to 15012901 its reverse (10921051), we get a palindrome (25933952).

The spelling of 15012901 in words is "fifteen million, twelve thousand, nine hundred one".