2515421154 has 16 divisors (see below), whose sum is σ = 5031394848. Its totient is φ = 838381632.

The previous prime is 2515421143. The next prime is 2515421159. The reversal of 2515421154 is 4511245152.

It is not an unprimeable number, because it can be changed into a prime (2515421159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58209 + ... + 91755.

It is an arithmetic number, because the mean of its divisors is an integer number (314462178).

Almost surely, 2^2515421154 is an apocalyptic number.

2515421154 is an abundant number, since it is smaller than the sum of its proper divisors (2515973694).

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

2515421154 is a wasteful number, since it uses less digits than its factorization.

2515421154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46049.

The product of its digits is 8000, while the sum is 30.

The square root of 2515421154 is about 50153.9744586608. The cubic root of 2515421154 is about 1359.9937200546.

The spelling of 2515421154 in words is "two billion, five hundred fifteen million, four hundred twenty-one thousand, one hundred fifty-four".