103432251 has 32 divisors (see below), whose sum is σ = 153216000. Its totient is φ = 61671168.

The previous prime is 103432249. The next prime is 103432261. The reversal of 103432251 is 152234301.

It is not a de Polignac number, because 103432251 - 2¹ = 103432249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103432211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181495 + ... + 182063.

It is an arithmetic number, because the mean of its divisors is an integer number (4788000).

Almost surely, 2^103432251 is an apocalyptic number.

103432251 is a deficient number, since it is larger than the sum of its proper divisors (49783749).

103432251 is a wasteful number, since it uses less digits than its factorization.

103432251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 103432251 is about 10170.1647479281. The cubic root of 103432251 is about 469.4096269260.

Adding to 103432251 its reverse (152234301), we get a palindrome (255666552).

The spelling of 103432251 in words is "one hundred three million, four hundred thirty-two thousand, two hundred fifty-one".