200101457 has 2 divisors, whose sum is σ = 200101458. Its totient is φ = 200101456.

The previous prime is 200101453. The next prime is 200101469. The reversal of 200101457 is 754101002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144985681 + 55115776 = 12041^2 + 7424^2 .

It is a cyclic number.

It is not a de Polignac number, because 200101457 - 2² = 200101453 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200101453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050728 + 100050729.

It is an arithmetic number, because the mean of its divisors is an integer number (100050729).

Almost surely, 2^200101457 is an apocalyptic number.

It is an amenable number.

200101457 is a deficient number, since it is larger than the sum of its proper divisors (1).

200101457 is an equidigital number, since it uses as much as digits as its factorization.

200101457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 200101457 is about 14145.7222155675. The cubic root of 200101457 is about 584.9024182818.

Adding to 200101457 its reverse (754101002), we get a palindrome (954202459).

The spelling of 200101457 in words is "two hundred million, one hundred one thousand, four hundred fifty-seven".