15042047 has 2 divisors, whose sum is σ = 15042048. Its totient is φ = 15042046.

The previous prime is 15042043. The next prime is 15042061. The reversal of 15042047 is 74024051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15042047 - 2² = 15042043 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15042043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7521023 + 7521024.

It is an arithmetic number, because the mean of its divisors is an integer number (7521024).

Almost surely, 2^15042047 is an apocalyptic number.

15042047 is a deficient number, since it is larger than the sum of its proper divisors (1).

15042047 is an equidigital number, since it uses as much as digits as its factorization.

15042047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 15042047 is about 3878.4077918651. The cubic root of 15042047 is about 246.8514298279.

Adding to 15042047 its reverse (74024051), we get a palindrome (89066098).

The spelling of 15042047 in words is "fifteen million, forty-two thousand, forty-seven".