540392973 has 4 divisors (see below), whose sum is σ = 720523968. Its totient is φ = 360261980.

The previous prime is 540392971. The next prime is 540393013. The reversal of 540392973 is 379293045.

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 not a de Polignac number, because 540392973 - 2¹ = 540392971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540392971) 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, 90065493 + ... + 90065498.

It is an arithmetic number, because the mean of its divisors is an integer number (180130992).

Almost surely, 2^540392973 is an apocalyptic number.

It is an amenable number.

540392973 is a deficient number, since it is larger than the sum of its proper divisors (180130995).

540392973 is a wasteful number, since it uses less digits than its factorization.

540392973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180130994.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 540392973 is about 23246.3539721824. The cubic root of 540392973 is about 814.5227727904.

The spelling of 540392973 in words is "five hundred forty million, three hundred ninety-two thousand, nine hundred seventy-three".