541542626 has 4 divisors (see below), whose sum is σ = 812313942. Its totient is φ = 270771312.

The previous prime is 541542611. The next prime is 541542641. The reversal of 541542626 is 626245145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 626245145 = 5 ⋅125249029.

It is an interprime number because it is at equal distance from previous prime (541542611) and next prime (541542641).

It can be written as a sum of positive squares in only one way, i.e., 441042001 + 100500625 = 21001^2 + 10025^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135385655 + ... + 135385658.

Almost surely, 2^541542626 is an apocalyptic number.

541542626 is a deficient number, since it is larger than the sum of its proper divisors (270771316).

541542626 is a wasteful number, since it uses less digits than its factorization.

541542626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270771315.

The product of its digits is 57600, while the sum is 35.

The square root of 541542626 is about 23271.0684327128. The cubic root of 541542626 is about 815.0999794543.

The spelling of 541542626 in words is "five hundred forty-one million, five hundred forty-two thousand, six hundred twenty-six".