497554261 has 4 divisors (see below), whose sum is σ = 504980512. Its totient is φ = 490128012.

The previous prime is 497554231. The next prime is 497554279. The reversal of 497554261 is 162455794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 497554261 - 2¹¹ = 497552213 is a prime.

It is a super-2 number, since 2×497554261² = 495120485278512242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497554201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3713025 + ... + 3713158.

It is an arithmetic number, because the mean of its divisors is an integer number (126245128).

Almost surely, 2^497554261 is an apocalyptic number.

It is an amenable number.

497554261 is a deficient number, since it is larger than the sum of its proper divisors (7426251).

497554261 is an equidigital number, since it uses as much as digits as its factorization.

497554261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7426250.

The product of its digits is 302400, while the sum is 43.

The square root of 497554261 is about 22305.9243475808. The cubic root of 497554261 is about 792.4042872863.

The spelling of 497554261 in words is "four hundred ninety-seven million, five hundred fifty-four thousand, two hundred sixty-one".