2515734 has 36 divisors (see below), whose sum is σ = 5909436. Its totient is φ = 773136.

The previous prime is 2515727. The next prime is 2515739. The reversal of 2515734 is 4375152.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2515698 and 2515707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515739) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2629 + ... + 3455.

It is an arithmetic number, because the mean of its divisors is an integer number (164151).

2^2515734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2515734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2954718).

2515734 is an abundant number, since it is smaller than the sum of its proper divisors (3393702).

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

2515734 is a wasteful number, since it uses less digits than its factorization.

2515734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 845 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 2515734 is about 1586.1065537977. The cubic root of 2515734 is about 136.0050099077.

It can be divided in two parts, 2515 and 734, that added together give a square (3249 = 57²).

The spelling of 2515734 in words is "two million, five hundred fifteen thousand, seven hundred thirty-four".