498541621 has 4 divisors (see below), whose sum is σ = 498639232. Its totient is φ = 498444012.

The previous prime is 498541607. The next prime is 498541651. The reversal of 498541621 is 126145894.

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 498541621 - 2¹³ = 498533429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498541651) 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, 40695 + ... + 51508.

It is an arithmetic number, because the mean of its divisors is an integer number (124659808).

Almost surely, 2^498541621 is an apocalyptic number.

It is an amenable number.

498541621 is a deficient number, since it is larger than the sum of its proper divisors (97611).

498541621 is an equidigital number, since it uses as much as digits as its factorization.

498541621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97610.

The product of its digits is 69120, while the sum is 40.

The square root of 498541621 is about 22328.0456153242. The cubic root of 498541621 is about 792.9280970476.

The spelling of 498541621 in words is "four hundred ninety-eight million, five hundred forty-one thousand, six hundred twenty-one".