541561437 has 8 divisors (see below), whose sum is σ = 802313280. Its totient is φ = 361040940.

The previous prime is 541561421. The next prime is 541561441. The reversal of 541561437 is 734165145.

541561437 is a `hidden beast` number, since 5 + 4 + 1 + 5 + 614 + 37 = 666.

It is not a de Polignac number, because 541561437 - 2⁴ = 541561421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541563437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10028889 + ... + 10028942.

It is an arithmetic number, because the mean of its divisors is an integer number (100289160).

Almost surely, 2^541561437 is an apocalyptic number.

It is an amenable number.

541561437 is a deficient number, since it is larger than the sum of its proper divisors (260751843).

541561437 is a wasteful number, since it uses less digits than its factorization.

541561437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20057840 (or 20057834 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 541561437 is about 23271.4726005898. The cubic root of 541561437 is about 815.1094171036.

The spelling of 541561437 in words is "five hundred forty-one million, five hundred sixty-one thousand, four hundred thirty-seven".