934863521 has 2 divisors, whose sum is σ = 934863522. Its totient is φ = 934863520.

The previous prime is 934863467. The next prime is 934863539. The reversal of 934863521 is 125368439.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 894667921 + 40195600 = 29911^2 + 6340^2 .

It is a cyclic number.

It is not a de Polignac number, because 934863521 - 2¹⁸ = 934601377 is a prime.

It is not a weakly prime, because it can be changed into another prime (934863581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 467431760 + 467431761.

It is an arithmetic number, because the mean of its divisors is an integer number (467431761).

Almost surely, 2^934863521 is an apocalyptic number.

It is an amenable number.

934863521 is a deficient number, since it is larger than the sum of its proper divisors (1).

934863521 is an equidigital number, since it uses as much as digits as its factorization.

934863521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 934863521 is about 30575.5379511138. The cubic root of 934863521 is about 977.7985852288.

The spelling of 934863521 in words is "nine hundred thirty-four million, eight hundred sixty-three thousand, five hundred twenty-one".