1525430535253 has 4 divisors (see below), whose sum is σ = 1525436092620. Its totient is φ = 1525424977888.

The previous prime is 1525430535247. The next prime is 1525430535259. The reversal of 1525430535253 is 3525350345251.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1525430535247) and next prime (1525430535259).

It can be written as a sum of positive squares in 2 ways, for example, as 506770286884 + 1018660248369 = 711878^2 + 1009287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1525430535253 - 2³³ = 1516840600661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525430535259) 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, 2344318 + ... + 2923471.

It is an arithmetic number, because the mean of its divisors is an integer number (381359023155).

Almost surely, 2^{1525430535253} is an apocalyptic number.

It is an amenable number.

1525430535253 is a deficient number, since it is larger than the sum of its proper divisors (5557367).

1525430535253 is an equidigital number, since it uses as much as digits as its factorization.

1525430535253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557366.

The product of its (nonzero) digits is 1350000, while the sum is 43.

The spelling of 1525430535253 in words is "one trillion, five hundred twenty-five billion, four hundred thirty million, five hundred thirty-five thousand, two hundred fifty-three".