1020252523 has 8 divisors (see below), whose sum is σ = 1024435440. Its totient is φ = 1016077440.

The previous prime is 1020252437. The next prime is 1020252539. The reversal of 1020252523 is 3252520201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020252523 - 2²⁹ = 483381611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020252494 and 1020252503.

It is not an unprimeable number, because it can be changed into a prime (1020252593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446143 + ... + 448423.

It is an arithmetic number, because the mean of its divisors is an integer number (128054430).

Almost surely, 2^1020252523 is an apocalyptic number.

1020252523 is a deficient number, since it is larger than the sum of its proper divisors (4182917).

1020252523 is a wasteful number, since it uses less digits than its factorization.

1020252523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1020252523 is about 31941.3920016019. The cubic root of 1020252523 is about 1006.7057730935.

Adding to 1020252523 its reverse (3252520201), we get a palindrome (4272772724).

The spelling of 1020252523 in words is "one billion, twenty million, two hundred fifty-two thousand, five hundred twenty-three".