1525912038 has 72 divisors (see below), whose sum is σ = 3853348200. Its totient is φ = 435133440.

The previous prime is 1525912033. The next prime is 1525912093. The reversal of 1525912038 is 8302195251.

1525912038 is a `hidden beast` number, since 1 + 525 + 9 + 120 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1525911993 and 1525912011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525912033) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 564013 + ... + 566711.

It is an arithmetic number, because the mean of its divisors is an integer number (53518725).

Almost surely, 2^1525912038 is an apocalyptic number.

1525912038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1525912038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1926674100).

1525912038 is an abundant number, since it is smaller than the sum of its proper divisors (2327436162).

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

1525912038 is a wasteful number, since it uses less digits than its factorization.

1525912038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362 (or 3352 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1525912038 is about 39062.9240840980. The cubic root of 1525912038 is about 1151.2681757856.

The spelling of 1525912038 in words is "one billion, five hundred twenty-five million, nine hundred twelve thousand, thirty-eight".