420951703 has 2 divisors, whose sum is σ = 420951704. Its totient is φ = 420951702.

The previous prime is 420951691. The next prime is 420951709. The reversal of 420951703 is 307159024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420951703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420951709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210475851 + 210475852.

It is an arithmetic number, because the mean of its divisors is an integer number (210475852).

Almost surely, 2^420951703 is an apocalyptic number.

420951703 is a deficient number, since it is larger than the sum of its proper divisors (1).

420951703 is an equidigital number, since it uses as much as digits as its factorization.

420951703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 420951703 is about 20517.1075690508. The cubic root of 420951703 is about 749.4524614030.

The spelling of 420951703 in words is "four hundred twenty million, nine hundred fifty-one thousand, seven hundred three".