540407225 has 12 divisors (see below), whose sum is σ = 675385344. Its totient is φ = 428919120.

The previous prime is 540407213. The next prime is 540407243. The reversal of 540407225 is 522704045.

It is a happy number.

It is not a de Polignac number, because 540407225 - 2²⁶ = 473298361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81929 + ... + 88278.

It is an arithmetic number, because the mean of its divisors is an integer number (56282112).

Almost surely, 2^540407225 is an apocalyptic number.

It is an amenable number.

540407225 is a deficient number, since it is larger than the sum of its proper divisors (134978119).

540407225 is a wasteful number, since it uses less digits than its factorization.

540407225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170344 (or 170339 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 540407225 is about 23246.6605128565. The cubic root of 540407225 is about 814.5299333058.

The spelling of 540407225 in words is "five hundred forty million, four hundred seven thousand, two hundred twenty-five".