52742357 has 2 divisors, whose sum is σ = 52742358. Its totient is φ = 52742356.

The previous prime is 52742341. The next prime is 52742407. The reversal of 52742357 is 75324725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31820881 + 20921476 = 5641^2 + 4574^2 .

It is a cyclic number.

It is not a de Polignac number, because 52742357 - 2⁴ = 52742341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52702357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26371178 + 26371179.

It is an arithmetic number, because the mean of its divisors is an integer number (26371179).

Almost surely, 2^52742357 is an apocalyptic number.

It is an amenable number.

52742357 is a deficient number, since it is larger than the sum of its proper divisors (1).

52742357 is an equidigital number, since it uses as much as digits as its factorization.

52742357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58800, while the sum is 35.

The square root of 52742357 is about 7262.3933382873. The cubic root of 52742357 is about 375.0189193418.

The spelling of 52742357 in words is "fifty-two million, seven hundred forty-two thousand, three hundred fifty-seven".