1478625601 has 2 divisors, whose sum is σ = 1478625602. Its totient is φ = 1478625600.

The previous prime is 1478625583. The next prime is 1478625647. The reversal of 1478625601 is 1065268741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 750705201 + 727920400 = 27399^2 + 26980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1478625601 - 2⁹ = 1478625089 is a prime.

It is a super-2 number, since 2×1478625601² = 4372667335865222402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1478625301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739312800 + 739312801.

It is an arithmetic number, because the mean of its divisors is an integer number (739312801).

Almost surely, 2^1478625601 is an apocalyptic number.

It is an amenable number.

1478625601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478625601 is an equidigital number, since it uses as much as digits as its factorization.

1478625601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1478625601 is about 38452.9010739112. The cubic root of 1478625601 is about 1139.2509702073.

The spelling of 1478625601 in words is "one billion, four hundred seventy-eight million, six hundred twenty-five thousand, six hundred one".