626542441 has 4 divisors (see below), whose sum is σ = 716048512. Its totient is φ = 537036372.

The previous prime is 626542421. The next prime is 626542453. The reversal of 626542441 is 144245626.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 626542441 - 2⁷ = 626542313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 626542397 and 626542406.

It is not an unprimeable number, because it can be changed into a prime (626542421) 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, 44753025 + ... + 44753038.

It is an arithmetic number, because the mean of its divisors is an integer number (179012128).

Almost surely, 2^626542441 is an apocalyptic number.

It is an amenable number.

626542441 is a deficient number, since it is larger than the sum of its proper divisors (89506071).

626542441 is an equidigital number, since it uses as much as digits as its factorization.

626542441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89506070.

The product of its digits is 46080, while the sum is 34.

The square root of 626542441 is about 25030.8298104557. The cubic root of 626542441 is about 855.6907387379.

The spelling of 626542441 in words is "six hundred twenty-six million, five hundred forty-two thousand, four hundred forty-one".