15242871 has 24 divisors (see below), whose sum is σ = 23908080. Its totient is φ = 8612352.

The previous prime is 15242869. The next prime is 15242873. The reversal of 15242871 is 17824251.

It is an interprime number because it is at equal distance from previous prime (15242869) and next prime (15242873).

It is not a de Polignac number, because 15242871 - 2¹ = 15242869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13725 + ... + 14793.

It is an arithmetic number, because the mean of its divisors is an integer number (996170).

Almost surely, 2^15242871 is an apocalyptic number.

15242871 is a deficient number, since it is larger than the sum of its proper divisors (8665209).

15242871 is a wasteful number, since it uses less digits than its factorization.

15242871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1176 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 15242871 is about 3904.2119563364. The cubic root of 15242871 is about 247.9451350622.

The spelling of 15242871 in words is "fifteen million, two hundred forty-two thousand, eight hundred seventy-one".