2521130146 has 8 divisors (see below), whose sum is σ = 3827258064. Its totient is φ = 1245377460.

The previous prime is 2521130137. The next prime is 2521130147. The reversal of 2521130146 is 6410311252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2521130146.

It is not an unprimeable number, because it can be changed into a prime (2521130147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7593600 + ... + 7593931.

It is an arithmetic number, because the mean of its divisors is an integer number (478407258).

Almost surely, 2^2521130146 is an apocalyptic number.

2521130146 is a deficient number, since it is larger than the sum of its proper divisors (1306127918).

2521130146 is a wasteful number, since it uses less digits than its factorization.

2521130146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15187616.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2521130146 is about 50210.8568538718. The cubic root of 2521130146 is about 1361.0218218217.

Adding to 2521130146 its reverse (6410311252), we get a palindrome (8931441398).

The spelling of 2521130146 in words is "two billion, five hundred twenty-one million, one hundred thirty thousand, one hundred forty-six".