457480981 has 4 divisors (see below), whose sum is σ = 472238464. Its totient is φ = 442723500.

The previous prime is 457480967. The next prime is 457481039. The reversal of 457480981 is 189084754.

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 457480981 - 2¹³ = 457472789 is a prime.

It is a super-2 number, since 2×457480981² = 418577695953444722, 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 (457480921) 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, 7378695 + ... + 7378756.

It is an arithmetic number, because the mean of its divisors is an integer number (118059616).

Almost surely, 2^457480981 is an apocalyptic number.

It is an amenable number.

457480981 is a deficient number, since it is larger than the sum of its proper divisors (14757483).

457480981 is a wasteful number, since it uses less digits than its factorization.

457480981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14757482.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 457480981 is about 21388.8050390853. The cubic root of 457480981 is about 770.5325943677.

The spelling of 457480981 in words is "four hundred fifty-seven million, four hundred eighty thousand, nine hundred eighty-one".