2521472197 has 8 divisors (see below), whose sum is σ = 2655810560. Its totient is φ = 2387296800.

The previous prime is 2521472153. The next prime is 2521472201. The reversal of 2521472197 is 7912741252.

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

It is not a de Polignac number, because 2521472197 - 2⁷ = 2521472069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521472137) 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, 8304 + ... + 71497.

It is an arithmetic number, because the mean of its divisors is an integer number (331976320).

Almost surely, 2^2521472197 is an apocalyptic number.

It is an amenable number.

2521472197 is a deficient number, since it is larger than the sum of its proper divisors (134338363).

2521472197 is a wasteful number, since it uses less digits than its factorization.

2521472197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81483.

The product of its digits is 70560, while the sum is 40.

The square root of 2521472197 is about 50214.2628841647. The cubic root of 2521472197 is about 1361.0833706505.

The spelling of 2521472197 in words is "two billion, five hundred twenty-one million, four hundred seventy-two thousand, one hundred ninety-seven".