2605245510 has 128 divisors (see below), whose sum is σ = 7287128064. Its totient is φ = 583833600.

The previous prime is 2605245499. The next prime is 2605245521. The reversal of 2605245510 is 155425062.

It is an interprime number because it is at equal distance from previous prime (2605245499) and next prime (2605245521).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2396187 + ... + 2397273.

It is an arithmetic number, because the mean of its divisors is an integer number (56930688).

Almost surely, 2^2605245510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2605245510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3643564032).

2605245510 is an abundant number, since it is smaller than the sum of its proper divisors (4681882554).

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

2605245510 is a wasteful number, since it uses less digits than its factorization.

2605245510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2605245510 is about 51041.6056761540. The cubic root of 2605245510 is about 1375.9929814604.

The spelling of 2605245510 in words is "two billion, six hundred five million, two hundred forty-five thousand, five hundred ten".