2517457272 has 96 divisors (see below), whose sum is σ = 7218771840. Its totient is φ = 729678400.

The previous prime is 2517457183. The next prime is 2517457273. The reversal of 2517457272 is 2727547152.

2517457272 = T₄₅₃ + T₄₅₄ + ... + T₂₄₇₆.

It is a happy number.

It is a super-2 number, since 2×2517457272² = 12675182232691363968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2517457273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47947 + ... + 85637.

It is an arithmetic number, because the mean of its divisors is an integer number (75195540).

Almost surely, 2^2517457272 is an apocalyptic number.

2517457272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2517457272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3609385920).

2517457272 is an abundant number, since it is smaller than the sum of its proper divisors (4701314568).

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

2517457272 is a wasteful number, since it uses less digits than its factorization.

2517457272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37745 (or 37730 counting only the distinct ones).

The product of its digits is 274400, while the sum is 42.

The square root of 2517457272 is about 50174.2690230760. The cubic root of 2517457272 is about 1360.3605719261.

The spelling of 2517457272 in words is "two billion, five hundred seventeen million, four hundred fifty-seven thousand, two hundred seventy-two".