102232541 has 2 divisors, whose sum is σ = 102232542. Its totient is φ = 102232540.

The previous prime is 102232463. The next prime is 102232549. The reversal of 102232541 is 145232201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74459641 + 27772900 = 8629^2 + 5270^2 .

It is an emirp because it is prime and its reverse (145232201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102232541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102232549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51116270 + 51116271.

It is an arithmetic number, because the mean of its divisors is an integer number (51116271).

Almost surely, 2^102232541 is an apocalyptic number.

It is an amenable number.

102232541 is a deficient number, since it is larger than the sum of its proper divisors (1).

102232541 is an equidigital number, since it uses as much as digits as its factorization.

102232541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 102232541 is about 10111.0108792346. The cubic root of 102232541 is about 467.5876713193.

Adding to 102232541 its reverse (145232201), we get a palindrome (247464742).

The spelling of 102232541 in words is "one hundred two million, two hundred thirty-two thousand, five hundred forty-one".