457012249 has 2 divisors, whose sum is σ = 457012250. Its totient is φ = 457012248.

The previous prime is 457012229. The next prime is 457012307. The reversal of 457012249 is 942210754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452838400 + 4173849 = 21280^2 + 2043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457012249 is a prime.

It is a super-3 number, since 3×457012249³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (457012229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228506124 + 228506125.

It is an arithmetic number, because the mean of its divisors is an integer number (228506125).

Almost surely, 2^457012249 is an apocalyptic number.

It is an amenable number.

457012249 is a deficient number, since it is larger than the sum of its proper divisors (1).

457012249 is an equidigital number, since it uses as much as digits as its factorization.

457012249 is an evil number, because the sum of its binary digits is even.

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

The square root of 457012249 is about 21377.8448165385. The cubic root of 457012249 is about 770.2693435651.

The spelling of 457012249 in words is "four hundred fifty-seven million, twelve thousand, two hundred forty-nine".