425973101 has 2 divisors, whose sum is σ = 425973102. Its totient is φ = 425973100.

The previous prime is 425973089. The next prime is 425973109. The reversal of 425973101 is 101379524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263283076 + 162690025 = 16226^2 + 12755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425973101 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425973109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212986550 + 212986551.

It is an arithmetic number, because the mean of its divisors is an integer number (212986551).

Almost surely, 2^425973101 is an apocalyptic number.

It is an amenable number.

425973101 is a deficient number, since it is larger than the sum of its proper divisors (1).

425973101 is an equidigital number, since it uses as much as digits as its factorization.

425973101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 425973101 is about 20639.1157998593. The cubic root of 425973101 is about 752.4206829494.

The spelling of 425973101 in words is "four hundred twenty-five million, nine hundred seventy-three thousand, one hundred one".