428613541 has 2 divisors, whose sum is σ = 428613542. Its totient is φ = 428613540.

The previous prime is 428613527. The next prime is 428613547. The reversal of 428613541 is 145316824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426257316 + 2356225 = 20646^2 + 1535^2 .

It is a cyclic number.

It is not a de Polignac number, because 428613541 - 2⁷ = 428613413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428613497 and 428613506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428613547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214306770 + 214306771.

It is an arithmetic number, because the mean of its divisors is an integer number (214306771).

Almost surely, 2^428613541 is an apocalyptic number.

It is an amenable number.

428613541 is a deficient number, since it is larger than the sum of its proper divisors (1).

428613541 is an equidigital number, since it uses as much as digits as its factorization.

428613541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 428613541 is about 20702.9838670661. The cubic root of 428613541 is about 753.9721351986.

The spelling of 428613541 in words is "four hundred twenty-eight million, six hundred thirteen thousand, five hundred forty-one".