2252451537 has 64 divisors (see below), whose sum is σ = 3973939200. Its totient is φ = 1233817920.

The previous prime is 2252451529. The next prime is 2252451541. The reversal of 2252451537 is 7351542522.

2252451537 is a `hidden beast` number, since 22 + 52 + 4 + 51 + 537 = 666.

It is not a de Polignac number, because 2252451537 - 2³ = 2252451529 is a prime.

It is a super-3 number, since 3×2252451537³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2252451517) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 636868 + ... + 640394.

It is an arithmetic number, because the mean of its divisors is an integer number (62092800).

Almost surely, 2^2252451537 is an apocalyptic number.

2252451537 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2252451537 is a deficient number, since it is larger than the sum of its proper divisors (1721487663).

2252451537 is a wasteful number, since it uses less digits than its factorization.

2252451537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683 (or 3677 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 2252451537 is about 47459.9993362832. Note that the first 3 decimals coincide. The cubic root of 2252451537 is about 1310.8464387684.

The spelling of 2252451537 in words is "two billion, two hundred fifty-two million, four hundred fifty-one thousand, five hundred thirty-seven".