540254215 has 4 divisors (see below), whose sum is σ = 648305064. Its totient is φ = 432203368.

The previous prime is 540254201. The next prime is 540254233. The reversal of 540254215 is 512452045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540254215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54025417 + ... + 54025426.

It is an arithmetic number, because the mean of its divisors is an integer number (162076266).

Almost surely, 2^540254215 is an apocalyptic number.

540254215 is a deficient number, since it is larger than the sum of its proper divisors (108050849).

540254215 is a wasteful number, since it uses less digits than its factorization.

540254215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108050848.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 540254215 is about 23243.3692695358. The cubic root of 540254215 is about 814.4530511671.

The spelling of 540254215 in words is "five hundred forty million, two hundred fifty-four thousand, two hundred fifteen".