2516665254 has 32 divisors (see below), whose sum is σ = 5328910080. Its totient is φ = 790136352.

The previous prime is 2516665253. The next prime is 2516665309. The reversal of 2516665254 is 4525666152.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516665253) 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, 44082 + ... + 83525.

It is an arithmetic number, because the mean of its divisors is an integer number (166528440).

Almost surely, 2^2516665254 is an apocalyptic number.

2516665254 is an abundant number, since it is smaller than the sum of its proper divisors (2812244826).

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

2516665254 is a wasteful number, since it uses less digits than its factorization.

2516665254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127804.

The product of its digits is 432000, while the sum is 42.

The square root of 2516665254 is about 50166.3757311608. The cubic root of 2516665254 is about 1360.2178958112.

The spelling of 2516665254 in words is "two billion, five hundred sixteen million, six hundred sixty-five thousand, two hundred fifty-four".