1253501383 has 12 divisors (see below), whose sum is σ = 1344658728. Its totient is φ = 1168039440.

The previous prime is 1253501369. The next prime is 1253501393. The reversal of 1253501383 is 3831053521.

It is not a de Polignac number, because 1253501383 - 2¹⁷ = 1253370311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253501363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6441 + ... + 50482.

It is an arithmetic number, because the mean of its divisors is an integer number (112054894).

Almost surely, 2^1253501383 is an apocalyptic number.

1253501383 is a deficient number, since it is larger than the sum of its proper divisors (91157345).

1253501383 is an equidigital number, since it uses as much as digits as its factorization.

1253501383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57022 (or 57003 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1253501383 is about 35404.8214654445. The cubic root of 1253501383 is about 1078.2222074900. Note that the first 4 decimals are identical.

The spelling of 1253501383 in words is "one billion, two hundred fifty-three million, five hundred one thousand, three hundred eighty-three".