1025325240 has 64 divisors (see below), whose sum is σ = 3082320000. Its totient is φ = 272856192.

The previous prime is 1025325221. The next prime is 1025325251. The reversal of 1025325240 is 425235201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1025325240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51319 + ... + 68441.

It is an arithmetic number, because the mean of its divisors is an integer number (48161250).

Almost surely, 2^1025325240 is an apocalyptic number.

1025325240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025325240 is an abundant number, since it is smaller than the sum of its proper divisors (2056994760).

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

1025325240 is a wasteful number, since it uses less digits than its factorization.

1025325240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17636 (or 17632 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1025325240 is about 32020.7001797275. The cubic root of 1025325240 is about 1008.3714696017.

The spelling of 1025325240 in words is "one billion, twenty-five million, three hundred twenty-five thousand, two hundred forty".