540532247 has 8 divisors (see below), whose sum is σ = 560784000. Its totient is φ = 520388064.

The previous prime is 540532183. The next prime is 540532249. The reversal of 540532247 is 742235045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540532247 - 2⁶ = 540532183 is a prime.

It is a super-2 number, since 2×540532247² = 584350220093738018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540532249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16583 + ... + 36824.

It is an arithmetic number, because the mean of its divisors is an integer number (70098000).

Almost surely, 2^540532247 is an apocalyptic number.

540532247 is a deficient number, since it is larger than the sum of its proper divisors (20251753).

540532247 is a wasteful number, since it uses less digits than its factorization.

540532247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53785.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 540532247 is about 23249.3493887463. The cubic root of 540532247 is about 814.5927416872.

The spelling of 540532247 in words is "five hundred forty million, five hundred thirty-two thousand, two hundred forty-seven".