497542541 has 2 divisors, whose sum is σ = 497542542. Its totient is φ = 497542540.

The previous prime is 497542499. The next prime is 497542543. The reversal of 497542541 is 145245794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431185225 + 66357316 = 20765^2 + 8146^2 .

It is a cyclic number.

It is not a de Polignac number, because 497542541 - 2⁶ = 497542477 is a prime.

Together with 497542543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497542543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248771270 + 248771271.

It is an arithmetic number, because the mean of its divisors is an integer number (248771271).

Almost surely, 2^497542541 is an apocalyptic number.

It is an amenable number.

497542541 is a deficient number, since it is larger than the sum of its proper divisors (1).

497542541 is an equidigital number, since it uses as much as digits as its factorization.

497542541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 41.

The square root of 497542541 is about 22305.6616355579. The cubic root of 497542541 is about 792.3980654850.

The spelling of 497542541 in words is "four hundred ninety-seven million, five hundred forty-two thousand, five hundred forty-one".