906714521 has 4 divisors (see below), whose sum is σ = 918192000. Its totient is φ = 895237044.

The previous prime is 906714509. The next prime is 906714527. The reversal of 906714521 is 125417609.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-906714521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (906714527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5738621 + ... + 5738778.

It is an arithmetic number, because the mean of its divisors is an integer number (229548000).

Almost surely, 2^906714521 is an apocalyptic number.

It is an amenable number.

906714521 is a deficient number, since it is larger than the sum of its proper divisors (11477479).

906714521 is a wasteful number, since it uses less digits than its factorization.

906714521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11477478.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 906714521 is about 30111.7007324395. The cubic root of 906714521 is about 967.8844747643.

The spelling of 906714521 in words is "nine hundred six million, seven hundred fourteen thousand, five hundred twenty-one".