3912521152 has 56 divisors (see below), whose sum is σ = 7980736896. Its totient is φ = 1902044928.

The previous prime is 3912521143. The next prime is 3912521161. The reversal of 3912521152 is 2511252193.

It is an interprime number because it is at equal distance from previous prime (3912521143) and next prime (3912521161).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621573 + ... + 627835.

Almost surely, 2^3912521152 is an apocalyptic number.

3912521152 is a gapful number since it is divisible by the number (32) 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 3912521152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3990368448).

3912521152 is an abundant number, since it is smaller than the sum of its proper divisors (4068215744).

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

3912521152 is a wasteful number, since it uses less digits than its factorization.

3912521152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545 (or 6535 counting only the distinct ones).

The product of its digits is 5400, while the sum is 31.

The square root of 3912521152 is about 62550.1490965449. The cubic root of 3912521152 is about 1575.7436517785.

The spelling of 3912521152 in words is "three billion, nine hundred twelve million, five hundred twenty-one thousand, one hundred fifty-two".