1252387625 has 8 divisors (see below), whose sum is σ = 1562979912. Its totient is φ = 1001910000.

The previous prime is 1252387601. The next prime is 1252387627. The reversal of 1252387625 is 5267832521.

It can be written as a sum of positive squares in 4 ways, for example, as 45589504 + 1206798121 = 6752^2 + 34739^2 .

It is not a de Polignac number, because 1252387625 - 2¹² = 1252383529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252387627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5009426 + ... + 5009675.

It is an arithmetic number, because the mean of its divisors is an integer number (195372489).

Almost surely, 2^1252387625 is an apocalyptic number.

It is an amenable number.

1252387625 is a deficient number, since it is larger than the sum of its proper divisors (310592287).

1252387625 is an equidigital number, since it uses as much as digits as its factorization.

1252387625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10019116 (or 10019106 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 1252387625 is about 35389.0890671122. The cubic root of 1252387625 is about 1077.9027730725.

The spelling of 1252387625 in words is "one billion, two hundred fifty-two million, three hundred eighty-seven thousand, six hundred twenty-five".