2625253900 has 72 divisors (see below), whose sum is σ = 6042175776. Its totient is φ = 986649600.

The previous prime is 2625253877. The next prime is 2625253937. The reversal of 2625253900 is 93525262.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1507030 + ... + 1508770.

It is an arithmetic number, because the mean of its divisors is an integer number (83919108).

Almost surely, 2^2625253900 is an apocalyptic number.

2625253900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2625253900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3021087888).

2625253900 is an abundant number, since it is smaller than the sum of its proper divisors (3416921876).

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

2625253900 is a wasteful number, since it uses less digits than its factorization.

2625253900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 2625253900 is about 51237.2315801703. The cubic root of 2625253900 is about 1379.5065623661.

The spelling of 2625253900 in words is "two billion, six hundred twenty-five million, two hundred fifty-three thousand, nine hundred".