15232563 has 16 divisors (see below), whose sum is σ = 23296000. Its totient is φ = 9826920.

The previous prime is 15232541. The next prime is 15232573. The reversal of 15232563 is 36523251.

It is not a de Polignac number, because 15232563 - 2⁸ = 15232307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15232523) 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 in 15 ways as a sum of consecutive naturals, for example, 8263 + ... + 9936.

It is an arithmetic number, because the mean of its divisors is an integer number (1456000).

Almost surely, 2^15232563 is an apocalyptic number.

15232563 is a deficient number, since it is larger than the sum of its proper divisors (8063437).

15232563 is a wasteful number, since it uses less digits than its factorization.

15232563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18239 (or 18233 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 15232563 is about 3902.8916203246. The cubic root of 15232563 is about 247.8892314469.

The spelling of 15232563 in words is "fifteen million, two hundred thirty-two thousand, five hundred sixty-three".