1252917453 has 16 divisors (see below), whose sum is σ = 1697504256. Its totient is φ = 821886000.

The previous prime is 1252917409. The next prime is 1252917467. The reversal of 1252917453 is 3547192521.

It is not a de Polignac number, because 1252917453 - 2⁶ = 1252917389 is a prime.

It is a super-3 number, since 3×1252917453³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252917473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52476 + ... + 72522.

It is an arithmetic number, because the mean of its divisors is an integer number (106094016).

Almost surely, 2^1252917453 is an apocalyptic number.

It is an amenable number.

1252917453 is a deficient number, since it is larger than the sum of its proper divisors (444586803).

1252917453 is a wasteful number, since it uses less digits than its factorization.

1252917453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20384.

The product of its digits is 75600, while the sum is 39.

The square root of 1252917453 is about 35396.5740291345. The cubic root of 1252917453 is about 1078.0547554519.

The spelling of 1252917453 in words is "one billion, two hundred fifty-two million, nine hundred seventeen thousand, four hundred fifty-three".