1052521330251 has 16 divisors (see below), whose sum is σ = 1405464746400. Its totient is φ = 700629946368.

The previous prime is 1052521330247. The next prime is 1052521330297. The reversal of 1052521330251 is 1520331252501.

It is not a de Polignac number, because 1052521330251 - 2² = 1052521330247 is a prime.

It is a super-2 number, since 2×1052521330251² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052521330051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7875555 + ... + 8008083.

It is an arithmetic number, because the mean of its divisors is an integer number (87841546650).

Almost surely, 2^{1052521330251} is an apocalyptic number.

1052521330251 is a deficient number, since it is larger than the sum of its proper divisors (352943416149).

1052521330251 is a wasteful number, since it uses less digits than its factorization.

1052521330251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136478.

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

Adding to 1052521330251 its reverse (1520331252501), we get a palindrome (2572852582752).

The spelling of 1052521330251 in words is "one trillion, fifty-two billion, five hundred twenty-one million, three hundred thirty thousand, two hundred fifty-one".