1252524445 has 8 divisors (see below), whose sum is σ = 1503360000. Its totient is φ = 1001799120.

The previous prime is 1252524439. The next prime is 1252524451. The reversal of 1252524445 is 5444252521.

It is an interprime number because it is at equal distance from previous prime (1252524439) and next prime (1252524451).

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

It is not a de Polignac number, because 1252524445 - 2²⁵ = 1218970013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252524445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61 + ... + 50050.

It is an arithmetic number, because the mean of its divisors is an integer number (187920000).

Almost surely, 2^1252524445 is an apocalyptic number.

It is an amenable number.

1252524445 is a deficient number, since it is larger than the sum of its proper divisors (250835555).

1252524445 is an equidigital number, since it uses as much as digits as its factorization.

1252524445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55115.

The product of its digits is 64000, while the sum is 34.

The square root of 1252524445 is about 35391.0220960062. The cubic root of 1252524445 is about 1077.9420243087.

Adding to 1252524445 its reverse (5444252521), we get a palindrome (6696776966).

The spelling of 1252524445 in words is "one billion, two hundred fifty-two million, five hundred twenty-four thousand, four hundred forty-five".