2525131100 has 36 divisors (see below), whose sum is σ = 5491836000. Its totient is φ = 1007784960.

The previous prime is 2525131079. The next prime is 2525131121. The reversal of 2525131100 is 11315252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2525131079) and next prime (2525131121).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16781 + ... + 73019.

It is an arithmetic number, because the mean of its divisors is an integer number (152551000).

Almost surely, 2^2525131100 is an apocalyptic number.

2525131100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525131100 is an abundant number, since it is smaller than the sum of its proper divisors (2966704900).

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

2525131100 is a wasteful number, since it uses less digits than its factorization.

2525131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56702 (or 56695 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2525131100 is about 50250.6825824287. The cubic root of 2525131100 is about 1361.7414075329.

Adding to 2525131100 its reverse (11315252), we get a palindrome (2536446352).

The spelling of 2525131100 in words is "two billion, five hundred twenty-five million, one hundred thirty-one thousand, one hundred".