547940417 has 4 divisors (see below), whose sum is σ = 548002560. Its totient is φ = 547878276.

The previous prime is 547940401. The next prime is 547940461. The reversal of 547940417 is 714049745.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 547940417 - 2⁴ = 547940401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (547940467) 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, 15113 + ... + 36390.

It is an arithmetic number, because the mean of its divisors is an integer number (137000640).

Almost surely, 2^547940417 is an apocalyptic number.

It is an amenable number.

547940417 is a deficient number, since it is larger than the sum of its proper divisors (62143).

547940417 is a wasteful number, since it uses less digits than its factorization.

547940417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62142.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 547940417 is about 23408.1271570367. The cubic root of 547940417 is about 818.2972882398.

The spelling of 547940417 in words is "five hundred forty-seven million, nine hundred forty thousand, four hundred seventeen".