1252762525 has 24 divisors (see below), whose sum is σ = 1779261120. Its totient is φ = 857141760.

The previous prime is 1252762523. The next prime is 1252762541. The reversal of 1252762525 is 5252672521.

It is not a de Polignac number, because 1252762525 - 2¹ = 1252762523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252762523) 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 23 ways as a sum of consecutive naturals, for example, 74061 + ... + 89389.

It is an arithmetic number, because the mean of its divisors is an integer number (74135880).

Almost surely, 2^1252762525 is an apocalyptic number.

It is an amenable number.

1252762525 is a deficient number, since it is larger than the sum of its proper divisors (526498595).

1252762525 is a wasteful number, since it uses less digits than its factorization.

1252762525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15813 (or 15808 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 1252762525 is about 35394.3855010932. The cubic root of 1252762525 is about 1078.0103184324.

The spelling of 1252762525 in words is "one billion, two hundred fifty-two million, seven hundred sixty-two thousand, five hundred twenty-five".