1535500253 has 4 divisors (see below), whose sum is σ = 1754857440. Its totient is φ = 1316143068.

The previous prime is 1535500243. The next prime is 1535500271. The reversal of 1535500253 is 3520055351.

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 a cyclic number.

It is not a de Polignac number, because 1535500253 - 2¹⁶ = 1535434717 is a prime.

It is a super-2 number, since 2×1535500253² = 4715522053926128018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1535500243) 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, 109678583 + ... + 109678596.

It is an arithmetic number, because the mean of its divisors is an integer number (438714360).

Almost surely, 2^1535500253 is an apocalyptic number.

It is an amenable number.

1535500253 is a deficient number, since it is larger than the sum of its proper divisors (219357187).

1535500253 is an equidigital number, since it uses as much as digits as its factorization.

1535500253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219357186.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 1535500253 is about 39185.4597140317. The cubic root of 1535500253 is about 1153.6745107463.

The spelling of 1535500253 in words is "one billion, five hundred thirty-five million, five hundred thousand, two hundred fifty-three".