15451013 has 2 divisors, whose sum is σ = 15451014. Its totient is φ = 15451012.

The previous prime is 15450991. The next prime is 15451021. The reversal of 15451013 is 31015451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14876449 + 574564 = 3857^2 + 758^2 .

It is an emirp because it is prime and its reverse (31015451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15451013 - 2¹⁶ = 15385477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15451043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7725506 + 7725507.

It is an arithmetic number, because the mean of its divisors is an integer number (7725507).

Almost surely, 2^15451013 is an apocalyptic number.

It is an amenable number.

15451013 is a deficient number, since it is larger than the sum of its proper divisors (1).

15451013 is an equidigital number, since it uses as much as digits as its factorization.

15451013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 15451013 is about 3930.7776584284. Note that the first 3 decimals coincide. The cubic root of 15451013 is about 249.0686036459.

Adding to 15451013 its reverse (31015451), we get a palindrome (46466464).

The spelling of 15451013 in words is "fifteen million, four hundred fifty-one thousand, thirteen".