541129657 has 4 divisors (see below), whose sum is σ = 541262196. Its totient is φ = 540997120.

The previous prime is 541129649. The next prime is 541129661. The reversal of 541129657 is 756921145.

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

It can be written as a sum of positive squares in 2 ways, for example, as 350026681 + 191102976 = 18709^2 + 13824^2 .

It is a cyclic number.

It is not a de Polignac number, because 541129657 - 2³ = 541129649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541129957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59944 + ... + 68377.

It is an arithmetic number, because the mean of its divisors is an integer number (135315549).

Almost surely, 2^541129657 is an apocalyptic number.

It is an amenable number.

541129657 is a deficient number, since it is larger than the sum of its proper divisors (132539).

541129657 is a wasteful number, since it uses less digits than its factorization.

541129657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132538.

The product of its digits is 75600, while the sum is 40.

The square root of 541129657 is about 23262.1937271617. The cubic root of 541129657 is about 814.8927340731.

The spelling of 541129657 in words is "five hundred forty-one million, one hundred twenty-nine thousand, six hundred fifty-seven".