497890501 has 2 divisors, whose sum is σ = 497890502. Its totient is φ = 497890500.

The previous prime is 497890493. The next prime is 497890517. The reversal of 497890501 is 105098794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332150625 + 165739876 = 18225^2 + 12874^2 .

It is a cyclic number.

It is not a de Polignac number, because 497890501 - 2³ = 497890493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497890541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248945250 + 248945251.

It is an arithmetic number, because the mean of its divisors is an integer number (248945251).

Almost surely, 2^497890501 is an apocalyptic number.

It is an amenable number.

497890501 is a deficient number, since it is larger than the sum of its proper divisors (1).

497890501 is an equidigital number, since it uses as much as digits as its factorization.

497890501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 497890501 is about 22313.4600857868. The cubic root of 497890501 is about 792.5827455588.

The spelling of 497890501 in words is "four hundred ninety-seven million, eight hundred ninety thousand, five hundred one".