52617261 has 32 divisors (see below), whose sum is σ = 80068608. Its totient is φ = 30539520.

The previous prime is 52617259. The next prime is 52617277. The reversal of 52617261 is 16271625.

It is not a de Polignac number, because 52617261 - 2¹ = 52617259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52617221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35640 + ... + 37086.

It is an arithmetic number, because the mean of its divisors is an integer number (2502144).

Almost surely, 2^52617261 is an apocalyptic number.

52617261 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

52617261 is a deficient number, since it is larger than the sum of its proper divisors (27451347).

52617261 is a wasteful number, since it uses less digits than its factorization.

52617261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521.

The product of its digits is 5040, while the sum is 30.

The square root of 52617261 is about 7253.7756375559. The cubic root of 52617261 is about 374.7221906872.

Adding to 52617261 its reverse (16271625), we get a palindrome (68888886).

The spelling of 52617261 in words is "fifty-two million, six hundred seventeen thousand, two hundred sixty-one".