1022525513 has 4 divisors (see below), whose sum is σ = 1066983168. Its totient is φ = 978067860.

The previous prime is 1022525501. The next prime is 1022525521. The reversal of 1022525513 is 3155252201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022525513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022525573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22228793 + ... + 22228838.

It is an arithmetic number, because the mean of its divisors is an integer number (266745792).

Almost surely, 2^1022525513 is an apocalyptic number.

It is an amenable number.

1022525513 is a deficient number, since it is larger than the sum of its proper divisors (44457655).

1022525513 is an equidigital number, since it uses as much as digits as its factorization.

1022525513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44457654.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1022525513 is about 31976.9528410698. The cubic root of 1022525513 is about 1007.4528217928.

Adding to 1022525513 its reverse (3155252201), we get a palindrome (4177777714).

The spelling of 1022525513 in words is "one billion, twenty-two million, five hundred twenty-five thousand, five hundred thirteen".