1023561552 has 40 divisors (see below), whose sum is σ = 2847602464. Its totient is φ = 314941824.

The previous prime is 1023561541. The next prime is 1023561563. The reversal of 1023561552 is 2551653201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1023561541) and next prime (1023561563).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 819538 + ... + 820785.

Almost surely, 2^1023561552 is an apocalyptic number.

1023561552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023561552 is an abundant number, since it is smaller than the sum of its proper divisors (1824040912).

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

1023561552 is a wasteful number, since it uses less digits than its factorization.

1023561552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640347 (or 1640341 counting only the distinct ones).

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

The square root of 1023561552 is about 31993.1485165183. The cubic root of 1023561552 is about 1007.7929626437.

The spelling of 1023561552 in words is "one billion, twenty-three million, five hundred sixty-one thousand, five hundred fifty-two".