15042451 has 2 divisors, whose sum is σ = 15042452. Its totient is φ = 15042450.

The previous prime is 15042427. The next prime is 15042457. The reversal of 15042451 is 15424051.

It is a strong prime.

It is an emirp because it is prime and its reverse (15424051) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15042451 is a prime.

It is not a weakly prime, because it can be changed into another prime (15042457) 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, 7521225 + 7521226.

It is an arithmetic number, because the mean of its divisors is an integer number (7521226).

Almost surely, 2^15042451 is an apocalyptic number.

15042451 is the 1735-th centered decagonal number.

15042451 is a deficient number, since it is larger than the sum of its proper divisors (1).

15042451 is an equidigital number, since it uses as much as digits as its factorization.

15042451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 15042451 is about 3878.4598747441. The cubic root of 15042451 is about 246.8536397905.

The spelling of 15042451 in words is "fifteen million, forty-two thousand, four hundred fifty-one".