1535423253 has 64 divisors (see below), whose sum is σ = 2583501312. Its totient is φ = 789626880.

The previous prime is 1535423251. The next prime is 1535423293. The reversal of 1535423253 is 3523245351.

It is not a de Polignac number, because 1535423253 - 2¹ = 1535423251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1535423251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2281125 + ... + 2281797.

It is an arithmetic number, because the mean of its divisors is an integer number (40367208).

Almost surely, 2^1535423253 is an apocalyptic number.

1535423253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1535423253 is a deficient number, since it is larger than the sum of its proper divisors (1048078059).

1535423253 is a wasteful number, since it uses less digits than its factorization.

1535423253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

The product of its digits is 54000, while the sum is 33.

The square root of 1535423253 is about 39184.4771944197. The cubic root of 1535423253 is about 1153.6552261685.

The spelling of 1535423253 in words is "one billion, five hundred thirty-five million, four hundred twenty-three thousand, two hundred fifty-three".