1325025250 has 32 divisors (see below), whose sum is σ = 2560476672. Its totient is φ = 512910000.

The previous prime is 1325025227. The next prime is 1325025253. The reversal of 1325025250 is 525205231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1325025253) 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, 77736 + ... + 93235.

It is an arithmetic number, because the mean of its divisors is an integer number (80014896).

Almost surely, 2^1325025250 is an apocalyptic number.

1325025250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1325025250 is a deficient number, since it is larger than the sum of its proper divisors (1235451422).

1325025250 is a wasteful number, since it uses less digits than its factorization.

1325025250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171019 (or 171009 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1325025250 is about 36400.8962801742. The cubic root of 1325025250 is about 1098.3515943756.

The spelling of 1325025250 in words is "one billion, three hundred twenty-five million, twenty-five thousand, two hundred fifty".