1525375488 has 240 divisors, whose sum is σ = 5094048960. Its totient is φ = 402038784.

The previous prime is 1525375483. The next prime is 1525375493. The reversal of 1525375488 is 8845735251.

It is an interprime number because it is at equal distance from previous prime (1525375483) and next prime (1525375493).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525375483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 977653 + ... + 979211.

It is an arithmetic number, because the mean of its divisors is an integer number (21225204).

Almost surely, 2^1525375488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1525375488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2547024480).

1525375488 is an abundant number, since it is smaller than the sum of its proper divisors (3568673472).

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

1525375488 is a wasteful number, since it uses less digits than its factorization.

1525375488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607 (or 1584 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 48.

The square root of 1525375488 is about 39056.0557148312. The cubic root of 1525375488 is about 1151.1332214458.

The spelling of 1525375488 in words is "one billion, five hundred twenty-five million, three hundred seventy-five thousand, four hundred eighty-eight".