252342737 has 2 divisors, whose sum is σ = 252342738. Its totient is φ = 252342736.

The previous prime is 252342731. The next prime is 252342751. The reversal of 252342737 is 737243252.

252342737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221384641 + 30958096 = 14879^2 + 5564^2 .

It is a cyclic number.

It is not a de Polignac number, because 252342737 - 2⁴ = 252342721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252342697 and 252342706.

It is not a weakly prime, because it can be changed into another prime (252342731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126171368 + 126171369.

It is an arithmetic number, because the mean of its divisors is an integer number (126171369).

Almost surely, 2^252342737 is an apocalyptic number.

It is an amenable number.

252342737 is a deficient number, since it is larger than the sum of its proper divisors (1).

252342737 is an equidigital number, since it uses as much as digits as its factorization.

252342737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 35.

The square root of 252342737 is about 15885.2993991300. The cubic root of 252342737 is about 631.9221858811.

Adding to 252342737 its reverse (737243252), we get a palindrome (989585989).

The spelling of 252342737 in words is "two hundred fifty-two million, three hundred forty-two thousand, seven hundred thirty-seven".