2615252506 has 4 divisors (see below), whose sum is σ = 3922878762. Its totient is φ = 1307626252.

The previous prime is 2615252501. The next prime is 2615252531. The reversal of 2615252506 is 6052525162.

2615252506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2581554481 + 33698025 = 50809^2 + 5805^2 .

It is not an unprimeable number, because it can be changed into a prime (2615252501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653813125 + ... + 653813128.

Almost surely, 2^2615252506 is an apocalyptic number.

2615252506 is a deficient number, since it is larger than the sum of its proper divisors (1307626256).

2615252506 is a wasteful number, since it uses less digits than its factorization.

2615252506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307626255.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 2615252506 is about 51139.5395560030. The cubic root of 2615252506 is about 1377.7525038900.

Adding to 2615252506 its reverse (6052525162), we get a palindrome (8667777668).

The spelling of 2615252506 in words is "two billion, six hundred fifteen million, two hundred fifty-two thousand, five hundred six".