1253379259 has 16 divisors (see below), whose sum is σ = 1431336960. Its totient is φ = 1087128000.

The previous prime is 1253379241. The next prime is 1253379269. The reversal of 1253379259 is 9529733521.

It is a cyclic number.

It is not a de Polignac number, because 1253379259 - 2⁷ = 1253379131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253379229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674 + ... + 50095.

It is an arithmetic number, because the mean of its divisors is an integer number (89458560).

Almost surely, 2^1253379259 is an apocalyptic number.

1253379259 is a deficient number, since it is larger than the sum of its proper divisors (177957701).

1253379259 is a wasteful number, since it uses less digits than its factorization.

1253379259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51882.

The product of its digits is 510300, while the sum is 46.

The square root of 1253379259 is about 35403.0967430817. The cubic root of 1253379259 is about 1078.1871906199.

The spelling of 1253379259 in words is "one billion, two hundred fifty-three million, three hundred seventy-nine thousand, two hundred fifty-nine".