1252015453 has 16 divisors (see below), whose sum is σ = 1364319936. Its totient is φ = 1142052480.

The previous prime is 1252015441. The next prime is 1252015537. The reversal of 1252015453 is 3545102521.

It is a cyclic number.

It is not a de Polignac number, because 1252015453 - 2²¹ = 1249918301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252015153) 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, 726633 + ... + 728353.

It is an arithmetic number, because the mean of its divisors is an integer number (85269996).

Almost surely, 2^1252015453 is an apocalyptic number.

1252015453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1252015453 is a deficient number, since it is larger than the sum of its proper divisors (112304483).

1252015453 is a wasteful number, since it uses less digits than its factorization.

1252015453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1252015453 is about 35383.8303890350. The cubic root of 1252015453 is about 1077.7959890472.

Adding to 1252015453 its reverse (3545102521), we get a palindrome (4797117974).

The spelling of 1252015453 in words is "one billion, two hundred fifty-two million, fifteen thousand, four hundred fifty-three".