1022545513 has 16 divisors (see below), whose sum is σ = 1128919680. Its totient is φ = 918448000.

The previous prime is 1022545493. The next prime is 1022545519. The reversal of 1022545513 is 3155452201.

It is a cyclic number.

It is not a de Polignac number, because 1022545513 - 2²¹ = 1020448361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022545519) 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, 931581 + ... + 932677.

It is an arithmetic number, because the mean of its divisors is an integer number (70557480).

Almost surely, 2^1022545513 is an apocalyptic number.

It is an amenable number.

1022545513 is a deficient number, since it is larger than the sum of its proper divisors (106374167).

1022545513 is a wasteful number, since it uses less digits than its factorization.

1022545513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1022545513 is about 31977.2655647727. The cubic root of 1022545513 is about 1007.4593901456.

Adding to 1022545513 its reverse (3155452201), we get a palindrome (4177997714).

It can be divided in two parts, 1022 and 545513, that added together give a triangular number (546535 = T₁₀₄₅).

The spelling of 1022545513 in words is "one billion, twenty-two million, five hundred forty-five thousand, five hundred thirteen".