208498541 has 2 divisors, whose sum is σ = 208498542. Its totient is φ = 208498540.

The previous prime is 208498517. The next prime is 208498553. The reversal of 208498541 is 145894802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208196041 + 302500 = 14429^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 208498541 - 2²² = 204304237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208498501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104249270 + 104249271.

It is an arithmetic number, because the mean of its divisors is an integer number (104249271).

Almost surely, 2^208498541 is an apocalyptic number.

It is an amenable number.

208498541 is a deficient number, since it is larger than the sum of its proper divisors (1).

208498541 is an equidigital number, since it uses as much as digits as its factorization.

208498541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 208498541 is about 14439.4785570671. The cubic root of 208498541 is about 592.9722096239.

The spelling of 208498541 in words is "two hundred eight million, four hundred ninety-eight thousand, five hundred forty-one".