1021052630253 has 4 divisors (see below), whose sum is σ = 1361403507008. Its totient is φ = 680701753500.

The previous prime is 1021052630243. The next prime is 1021052630287. The reversal of 1021052630253 is 3520362501201.

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 not a de Polignac number, because 1021052630253 - 2¹³ = 1021052622061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021052630253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021052630233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170175438373 + ... + 170175438378.

It is an arithmetic number, because the mean of its divisors is an integer number (340350876752).

Almost surely, 2^{1021052630253} is an apocalyptic number.

It is an amenable number.

1021052630253 is a deficient number, since it is larger than the sum of its proper divisors (340350876755).

1021052630253 is an equidigital number, since it uses as much as digits as its factorization.

1021052630253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340350876754.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 1021052630253 in words is "one trillion, twenty-one billion, fifty-two million, six hundred thirty thousand, two hundred fifty-three".