427125403 has 2 divisors, whose sum is σ = 427125404. Its totient is φ = 427125402.

The previous prime is 427125389. The next prime is 427125437. The reversal of 427125403 is 304521724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427125403 - 2¹⁷ = 426994331 is a prime.

It is a super-2 number, since 2×427125403² = 364872219775824818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427125103) 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, 213562701 + 213562702.

It is an arithmetic number, because the mean of its divisors is an integer number (213562702).

Almost surely, 2^427125403 is an apocalyptic number.

427125403 is a deficient number, since it is larger than the sum of its proper divisors (1).

427125403 is an equidigital number, since it uses as much as digits as its factorization.

427125403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 427125403 is about 20667.0124352796. The cubic root of 427125403 is about 753.0985311037.

The spelling of 427125403 in words is "four hundred twenty-seven million, one hundred twenty-five thousand, four hundred three".