2315257620 has 48 divisors (see below), whose sum is σ = 6981394560. Its totient is φ = 569909376.

The previous prime is 2315257619. The next prime is 2315257621. The reversal of 2315257620 is 267525132.

It is an interprime number because it is at equal distance from previous prime (2315257619) and next prime (2315257621).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315257621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1483360 + ... + 1484919.

It is an arithmetic number, because the mean of its divisors is an integer number (145445720).

Almost surely, 2^2315257620 is an apocalyptic number.

2315257620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315257620 is an abundant number, since it is smaller than the sum of its proper divisors (4666136940).

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

2315257620 is a wasteful number, since it uses less digits than its factorization.

2315257620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968304 (or 2968302 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 2315257620 is about 48117.1239788913. The cubic root of 2315257620 is about 1322.9185537257.

The spelling of 2315257620 in words is "two billion, three hundred fifteen million, two hundred fifty-seven thousand, six hundred twenty".