457417421 has 4 divisors (see below), whose sum is σ = 469780092. Its totient is φ = 445054752.

The previous prime is 457417397. The next prime is 457417427. The reversal of 457417421 is 124714754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 311346025 + 146071396 = 17645^2 + 12086^2 .

It is a cyclic number.

It is not a de Polignac number, because 457417421 - 2⁶ = 457417357 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 (457417427) 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, 6181280 + ... + 6181353.

It is an arithmetic number, because the mean of its divisors is an integer number (117445023).

Almost surely, 2^457417421 is an apocalyptic number.

It is an amenable number.

457417421 is a deficient number, since it is larger than the sum of its proper divisors (12362671).

457417421 is a wasteful number, since it uses less digits than its factorization.

457417421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12362670.

The product of its digits is 31360, while the sum is 35.

The square root of 457417421 is about 21387.3191634669. The cubic root of 457417421 is about 770.4969081337.

The spelling of 457417421 in words is "four hundred fifty-seven million, four hundred seventeen thousand, four hundred twenty-one".