1252525580 has 12 divisors (see below), whose sum is σ = 2630303760. Its totient is φ = 501010224.

The previous prime is 1252525553. The next prime is 1252525583. The reversal of 1252525580 is 855252521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252525580.

It is not an unprimeable number, because it can be changed into a prime (1252525583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31313120 + ... + 31313159.

It is an arithmetic number, because the mean of its divisors is an integer number (219191980).

Almost surely, 2^1252525580 is an apocalyptic number.

1252525580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252525580 is an abundant number, since it is smaller than the sum of its proper divisors (1377778180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252525580 is a wasteful number, since it uses less digits than its factorization.

1252525580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62626288 (or 62626286 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

The square root of 1252525580 is about 35391.0381311427. The cubic root of 1252525580 is about 1077.9423499081.

The spelling of 1252525580 in words is "one billion, two hundred fifty-two million, five hundred twenty-five thousand, five hundred eighty".