2152524540 has 24 divisors (see below), whose sum is σ = 6027068880. Its totient is φ = 574006528.

The previous prime is 2152524533. The next prime is 2152524551. The reversal of 2152524540 is 454252512.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2152524498 and 2152524507.

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, 17937645 + ... + 17937764.

It is an arithmetic number, because the mean of its divisors is an integer number (251127870).

Almost surely, 2^2152524540 is an apocalyptic number.

2152524540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152524540 is an abundant number, since it is smaller than the sum of its proper divisors (3874544340).

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

2152524540 is a wasteful number, since it uses less digits than its factorization.

2152524540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35875421 (or 35875419 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2152524540 is about 46395.3073058041. The cubic root of 2152524540 is about 1291.1678505321.

The spelling of 2152524540 in words is "two billion, one hundred fifty-two million, five hundred twenty-four thousand, five hundred forty".