474248981 has 4 divisors (see below), whose sum is σ = 481327392. Its totient is φ = 467170572.

The previous prime is 474248947. The next prime is 474248993. The reversal of 474248981 is 189842474.

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 474248981 - 2⁶ = 474248917 is a prime.

It is a super-2 number, since 2×474248981² = 449824191959076722, 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 (474248581) 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, 3539105 + ... + 3539238.

It is an arithmetic number, because the mean of its divisors is an integer number (120331848).

Almost surely, 2^474248981 is an apocalyptic number.

It is an amenable number.

474248981 is a deficient number, since it is larger than the sum of its proper divisors (7078411).

474248981 is an equidigital number, since it uses as much as digits as its factorization.

474248981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078410.

The product of its digits is 516096, while the sum is 47.

The square root of 474248981 is about 21777.2583444289. The cubic root of 474248981 is about 779.8339450366.

The spelling of 474248981 in words is "four hundred seventy-four million, two hundred forty-eight thousand, nine hundred eighty-one".