626260801 has 4 divisors (see below), whose sum is σ = 627088852. Its totient is φ = 625432752.

The previous prime is 626260799. The next prime is 626260819. The reversal of 626260801 is 108062626.

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 501715201 + 124545600 = 22399^2 + 11160^2 .

It is a cyclic number.

It is not a de Polignac number, because 626260801 - 2¹ = 626260799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (626260861) 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, 412890 + ... + 414403.

It is an arithmetic number, because the mean of its divisors is an integer number (156772213).

Almost surely, 2^626260801 is an apocalyptic number.

It is an amenable number.

626260801 is a deficient number, since it is larger than the sum of its proper divisors (828051).

626260801 is an equidigital number, since it uses as much as digits as its factorization.

626260801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828050.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 626260801 is about 25025.2033158574. The cubic root of 626260801 is about 855.5625043500.

The spelling of 626260801 in words is "six hundred twenty-six million, two hundred sixty thousand, eight hundred one".