250116541 has 2 divisors, whose sum is σ = 250116542. Its totient is φ = 250116540.

The previous prime is 250116527. The next prime is 250116547. The reversal of 250116541 is 145611052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244015641 + 6100900 = 15621^2 + 2470^2 .

It is a cyclic number.

It is not a de Polignac number, because 250116541 - 2²⁵ = 216562109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250116547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125058270 + 125058271.

It is an arithmetic number, because the mean of its divisors is an integer number (125058271).

Almost surely, 2^250116541 is an apocalyptic number.

It is an amenable number.

250116541 is a deficient number, since it is larger than the sum of its proper divisors (1).

250116541 is an equidigital number, since it uses as much as digits as its factorization.

250116541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 250116541 is about 15815.0732214555. The cubic root of 250116541 is about 630.0583980468.

Adding to 250116541 its reverse (145611052), we get a palindrome (395727593).

The spelling of 250116541 in words is "two hundred fifty million, one hundred sixteen thousand, five hundred forty-one".