2515625720 has 32 divisors (see below), whose sum is σ = 5673704400. Its totient is φ = 1003842048.

The previous prime is 2515625719. The next prime is 2515625729. The reversal of 2515625720 is 275265152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515625729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58289 + ... + 91808.

Almost surely, 2^2515625720 is an apocalyptic number.

2515625720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2515625720 is an abundant number, since it is smaller than the sum of its proper divisors (3158078680).

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

2515625720 is a wasteful number, since it uses less digits than its factorization.

2515625720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150527 (or 150523 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 2515625720 is about 50156.0137969516. The cubic root of 2515625720 is about 1360.0305861057.

The spelling of 2515625720 in words is "two billion, five hundred fifteen million, six hundred twenty-five thousand, seven hundred twenty".