2523215662 has 36 divisors (see below), whose sum is σ = 4259931480. Its totient is φ = 1120045080.

The previous prime is 2523215579. The next prime is 2523215663. The reversal of 2523215662 is 2665123252.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523215663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 444639 + ... + 450277.

It is an arithmetic number, because the mean of its divisors is an integer number (118331430).

Almost surely, 2^2523215662 is an apocalyptic number.

2523215662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2523215662 is a deficient number, since it is larger than the sum of its proper divisors (1736715818).

2523215662 is a wasteful number, since it uses less digits than its factorization.

2523215662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749 (or 5695 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 2523215662 is about 50231.6201411024. The cubic root of 2523215662 is about 1361.3970041561.

The spelling of 2523215662 in words is "two billion, five hundred twenty-three million, two hundred fifteen thousand, six hundred sixty-two".