457028437 has 2 divisors, whose sum is σ = 457028438. Its totient is φ = 457028436.

The previous prime is 457028417. The next prime is 457028479. The reversal of 457028437 is 734820754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366569316 + 90459121 = 19146^2 + 9511^2 .

It is a cyclic number.

It is not a de Polignac number, because 457028437 - 2¹¹ = 457026389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 457028437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457028417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228514218 + 228514219.

It is an arithmetic number, because the mean of its divisors is an integer number (228514219).

Almost surely, 2^457028437 is an apocalyptic number.

It is an amenable number.

457028437 is a deficient number, since it is larger than the sum of its proper divisors (1).

457028437 is an equidigital number, since it uses as much as digits as its factorization.

457028437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 457028437 is about 21378.2234294620. The cubic root of 457028437 is about 770.2784381229.

The spelling of 457028437 in words is "four hundred fifty-seven million, twenty-eight thousand, four hundred thirty-seven".