521297094 has 32 divisors (see below), whose sum is σ = 1065940704. Its totient is φ = 169908480.

The previous prime is 521297089. The next prime is 521297099. The reversal of 521297094 is 490792125.

It is an interprime number because it is at equal distance from previous prime (521297089) and next prime (521297099).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521297099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59202 + ... + 67434.

It is an arithmetic number, because the mean of its divisors is an integer number (33310647).

Almost surely, 2^521297094 is an apocalyptic number.

521297094 is an abundant number, since it is smaller than the sum of its proper divisors (544643610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

521297094 is a wasteful number, since it uses less digits than its factorization.

521297094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8472.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 521297094 is about 22831.9314557485. The cubic root of 521297094 is about 804.8132195283.

The spelling of 521297094 in words is "five hundred twenty-one million, two hundred ninety-seven thousand, ninety-four".