46905121 has 2 divisors, whose sum is σ = 46905122. Its totient is φ = 46905120.

The previous prime is 46905113. The next prime is 46905127. The reversal of 46905121 is 12150964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37994896 + 8910225 = 6164^2 + 2985^2 .

It is a cyclic number.

It is not a de Polignac number, because 46905121 - 2³ = 46905113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46905121.

It is not a weakly prime, because it can be changed into another prime (46905127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23452560 + 23452561.

It is an arithmetic number, because the mean of its divisors is an integer number (23452561).

Almost surely, 2^46905121 is an apocalyptic number.

It is an amenable number.

46905121 is a deficient number, since it is larger than the sum of its proper divisors (1).

46905121 is an equidigital number, since it uses as much as digits as its factorization.

46905121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 46905121 is about 6848.7313423728. The cubic root of 46905121 is about 360.6396062615.

The spelling of 46905121 in words is "forty-six million, nine hundred five thousand, one hundred twenty-one".