100432487 has 2 divisors, whose sum is σ = 100432488. Its totient is φ = 100432486.

The previous prime is 100432471. The next prime is 100432523. The reversal of 100432487 is 784234001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100432487 - 2⁴ = 100432471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100432417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50216243 + 50216244.

It is an arithmetic number, because the mean of its divisors is an integer number (50216244).

Almost surely, 2^100432487 is an apocalyptic number.

100432487 is a deficient number, since it is larger than the sum of its proper divisors (1).

100432487 is an equidigital number, since it uses as much as digits as its factorization.

100432487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 100432487 is about 10021.6010197972. The cubic root of 100432487 is about 464.8270632979.

Adding to 100432487 its reverse (784234001), we get a palindrome (884666488).

The spelling of 100432487 in words is "one hundred million, four hundred thirty-two thousand, four hundred eighty-seven".