1305425000 has 192 divisors, whose sum is σ = 3442279680. Its totient is φ = 460000000.

The previous prime is 1305424997. The next prime is 1305425057. The reversal of 1305425000 is 5245031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12924950 + ... + 12925050.

It is an arithmetic number, because the mean of its divisors is an integer number (17928540).

Almost surely, 2^1305425000 is an apocalyptic number.

1305425000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1305425000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1721139840).

1305425000 is an abundant number, since it is smaller than the sum of its proper divisors (2136854680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1305425000 is a wasteful number, since it uses less digits than its factorization.

1305425000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1305425000 is about 36130.6656456811. The cubic root of 1305425000 is about 1092.9089316350.

The spelling of 1305425000 in words is "one billion, three hundred five million, four hundred twenty-five thousand".