2500252500 has 60 divisors (see below), whose sum is σ = 7290091424. Its totient is φ = 666732000.

The previous prime is 2500252493. The next prime is 2500252519. The reversal of 2500252500 is 52520052.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 159184 + ... + 174183.

Almost surely, 2^2500252500 is an apocalyptic number.

2500252500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500252500 is an abundant number, since it is smaller than the sum of its proper divisors (4789838924).

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

2500252500 is a wasteful number, since it uses less digits than its factorization.

2500252500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333394 (or 333377 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 2500252500 is about 50002.5249362470. The cubic root of 2500252500 is about 1357.2544994558.

Adding to 2500252500 its reverse (52520052), we get a palindrome (2552772552).

The spelling of 2500252500 in words is "two billion, five hundred million, two hundred fifty-two thousand, five hundred".