15042473 has 2 divisors, whose sum is σ = 15042474. Its totient is φ = 15042472.

The previous prime is 15042457. The next prime is 15042479. The reversal of 15042473 is 37424051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9320809 + 5721664 = 3053^2 + 2392^2 .

It is a cyclic number.

It is not a de Polignac number, because 15042473 - 2⁴ = 15042457 is a prime.

It is not a weakly prime, because it can be changed into another prime (15042479) 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, 7521236 + 7521237.

It is an arithmetic number, because the mean of its divisors is an integer number (7521237).

Almost surely, 2^15042473 is an apocalyptic number.

It is an amenable number.

15042473 is a deficient number, since it is larger than the sum of its proper divisors (1).

15042473 is an equidigital number, since it uses as much as digits as its factorization.

15042473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 15042473 is about 3878.4627109204. The cubic root of 15042473 is about 246.8537601339.

The spelling of 15042473 in words is "fifteen million, forty-two thousand, four hundred seventy-three".