2552147929 has 8 divisors (see below), whose sum is σ = 2659428360. Its totient is φ = 2446152576.

The previous prime is 2552147903. The next prime is 2552147953. The reversal of 2552147929 is 9297412552.

It can be written as a sum of positive squares in 4 ways, for example, as 490533904 + 2061614025 = 22148^2 + 45405^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2552147929 - 2⁹ = 2552147417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2552147959) 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, 317214 + ... + 325159.

It is an arithmetic number, because the mean of its divisors is an integer number (332428545).

Almost surely, 2^2552147929 is an apocalyptic number.

2552147929 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2552147929 is a deficient number, since it is larger than the sum of its proper divisors (107280431).

2552147929 is a wasteful number, since it uses less digits than its factorization.

2552147929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642539.

The product of its digits is 453600, while the sum is 46.

The square root of 2552147929 is about 50518.7878813417. The cubic root of 2552147929 is about 1366.5806944597.

The spelling of 2552147929 in words is "two billion, five hundred fifty-two million, one hundred forty-seven thousand, nine hundred twenty-nine".