1252465395 has 16 divisors (see below), whose sum is σ = 2121824160. Its totient is φ = 628688384.

The previous prime is 1252465381. The next prime is 1252465397. The reversal of 1252465395 is 5935642521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1252465395 - 2⁵ = 1252465363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252465397) 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 15 ways as a sum of consecutive naturals, for example, 2455560 + ... + 2456069.

It is an arithmetic number, because the mean of its divisors is an integer number (132614010).

Almost surely, 2^1252465395 is an apocalyptic number.

1252465395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252465395 is a deficient number, since it is larger than the sum of its proper divisors (869358765).

1252465395 is a wasteful number, since it uses less digits than its factorization.

1252465395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911654.

The product of its digits is 324000, while the sum is 42.

The square root of 1252465395 is about 35390.1878350483. The cubic root of 1252465395 is about 1077.9250842595.

The spelling of 1252465395 in words is "one billion, two hundred fifty-two million, four hundred sixty-five thousand, three hundred ninety-five".