1525424670 has 256 divisors, whose sum is σ = 5109350400. Its totient is φ = 314616960.

The previous prime is 1525424669. The next prime is 1525424689. The reversal of 1525424670 is 764245251.

It is a happy number.

1525424670 is a `hidden beast` number, since 1 + 5 + 2 + 542 + 46 + 70 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4968657 + ... + 4968963.

It is an arithmetic number, because the mean of its divisors is an integer number (19958400).

Almost surely, 2^1525424670 is an apocalyptic number.

1525424670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1525424670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2554675200).

1525424670 is an abundant number, since it is smaller than the sum of its proper divisors (3583925730).

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

1525424670 is a wasteful number, since it uses less digits than its factorization.

1525424670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 1525424670 is about 39056.6853432290. The cubic root of 1525424670 is about 1151.1455931375.

The spelling of 1525424670 in words is "one billion, five hundred twenty-five million, four hundred twenty-four thousand, six hundred seventy".