457638001 has 4 divisors (see below), whose sum is σ = 459081972. Its totient is φ = 456194032.

The previous prime is 457637989. The next prime is 457638017. The reversal of 457638001 is 100836754.

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 154355776 + 303282225 = 12424^2 + 17415^2 .

It is a cyclic number.

It is not a de Polignac number, because 457638001 - 2⁹ = 457637489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457638091) 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, 721510 + ... + 722143.

It is an arithmetic number, because the mean of its divisors is an integer number (114770493).

Almost surely, 2^457638001 is an apocalyptic number.

It is an amenable number.

457638001 is a deficient number, since it is larger than the sum of its proper divisors (1443971).

457638001 is a wasteful number, since it uses less digits than its factorization.

457638001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443970.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 457638001 is about 21392.4753359680. The cubic root of 457638001 is about 770.6207402458.

The spelling of 457638001 in words is "four hundred fifty-seven million, six hundred thirty-eight thousand, one".