2520535300 has 72 divisors (see below), whose sum is σ = 5655394976. Its totient is φ = 974453760.

The previous prime is 2520535291. The next prime is 2520535309. The reversal of 2520535300 is 35350252.

It is an interprime number because it is at equal distance from previous prime (2520535291) and next prime (2520535309).

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 (2520535309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414079 + ... + 420121.

Almost surely, 2^2520535300 is an apocalyptic number.

2520535300 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 2520535300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2827697488).

2520535300 is an abundant number, since it is smaller than the sum of its proper divisors (3134859676).

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

2520535300 is a wasteful number, since it uses less digits than its factorization.

2520535300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197 (or 6190 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 2520535300 is about 50204.9330245545. The cubic root of 2520535300 is about 1360.9147716733.

Adding to 2520535300 its reverse (35350252), we get a palindrome (2555885552).

The spelling of 2520535300 in words is "two billion, five hundred twenty million, five hundred thirty-five thousand, three hundred".