541563651 has 12 divisors (see below), whose sum is σ = 811231512. Its totient is φ = 361042272.

The previous prime is 541563643. The next prime is 541563653. The reversal of 541563651 is 156365145.

541563651 is a `hidden beast` number, since 5 + 4 + 15 + 636 + 5 + 1 = 666.

It is not a de Polignac number, because 541563651 - 2³ = 541563643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (541563653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1114086 + ... + 1114571.

It is an arithmetic number, because the mean of its divisors is an integer number (67602626).

Almost surely, 2^541563651 is an apocalyptic number.

541563651 is a deficient number, since it is larger than the sum of its proper divisors (269667861).

541563651 is an equidigital number, since it uses as much as digits as its factorization.

541563651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228672 (or 2228660 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 541563651 is about 23271.5201695119. The cubic root of 541563651 is about 815.1105278731.

The spelling of 541563651 in words is "five hundred forty-one million, five hundred sixty-three thousand, six hundred fifty-one".