424257101 has 2 divisors, whose sum is σ = 424257102. Its totient is φ = 424257100.

The previous prime is 424257019. The next prime is 424257107. The reversal of 424257101 is 101752424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308178025 + 116079076 = 17555^2 + 10774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424257101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424257107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212128550 + 212128551.

It is an arithmetic number, because the mean of its divisors is an integer number (212128551).

Almost surely, 2^424257101 is an apocalyptic number.

It is an amenable number.

424257101 is a deficient number, since it is larger than the sum of its proper divisors (1).

424257101 is an equidigital number, since it uses as much as digits as its factorization.

424257101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 424257101 is about 20597.5023000363. The cubic root of 424257101 is about 751.4089668332.

The spelling of 424257101 in words is "four hundred twenty-four million, two hundred fifty-seven thousand, one hundred one".