1253367379 has 8 divisors (see below), whose sum is σ = 1377291888. Its totient is φ = 1131106560.

The previous prime is 1253367343. The next prime is 1253367407. The reversal of 1253367379 is 9737633521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1253367379 - 2⁹ = 1253366867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253367329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414342 + ... + 417355.

It is an arithmetic number, because the mean of its divisors is an integer number (172161486).

Almost surely, 2^1253367379 is an apocalyptic number.

1253367379 is a deficient number, since it is larger than the sum of its proper divisors (123924509).

1253367379 is a wasteful number, since it uses less digits than its factorization.

1253367379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831845.

The product of its digits is 714420, while the sum is 46.

The square root of 1253367379 is about 35402.9289607513. The cubic root of 1253367379 is about 1078.1837841212.

The spelling of 1253367379 in words is "one billion, two hundred fifty-three million, three hundred sixty-seven thousand, three hundred seventy-nine".