2151526053 has 36 divisors (see below), whose sum is σ = 3060169280. Its totient is φ = 1344280080.

The previous prime is 2151526031. The next prime is 2151526073. The reversal of 2151526053 is 3506251512.

It is a happy number.

It is not a de Polignac number, because 2151526053 - 2⁵ = 2151526021 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2151526053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151526073) 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, 16423798 + ... + 16423928.

Almost surely, 2^2151526053 is an apocalyptic number.

2151526053 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2151526053 is a deficient number, since it is larger than the sum of its proper divisors (908643227).

2151526053 is an equidigital number, since it uses as much as digits as its factorization.

2151526053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2151526053 is about 46384.5454111604. The cubic root of 2151526053 is about 1290.9681758892.

Adding to 2151526053 its reverse (3506251512), we get a palindrome (5657777565).

The spelling of 2151526053 in words is "two billion, one hundred fifty-one million, five hundred twenty-six thousand, fifty-three".