1452025861 has 16 divisors (see below), whose sum is σ = 1715999040. Its totient is φ = 1218462960.

The previous prime is 1452025807. The next prime is 1452025867. The reversal of 1452025861 is 1685202541.

It is a happy number.

It is not a de Polignac number, because 1452025861 - 2¹⁵ = 1451993093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452025867) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 5875 + ... + 54208.

It is an arithmetic number, because the mean of its divisors is an integer number (107249940).

Almost surely, 2^1452025861 is an apocalyptic number.

1452025861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1452025861 is a deficient number, since it is larger than the sum of its proper divisors (263973179).

1452025861 is an equidigital number, since it uses as much as digits as its factorization.

1452025861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60133 (or 60107 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 1452025861 is about 38105.4571026251. The cubic root of 1452025861 is about 1132.3780709403.

The spelling of 1452025861 in words is "one billion, four hundred fifty-two million, twenty-five thousand, eight hundred sixty-one".