52070761 has 4 divisors (see below), whose sum is σ = 52804224. Its totient is φ = 51337300.

The previous prime is 52070749. The next prime is 52070789. The reversal of 52070761 is 16707025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52070761 - 2¹¹ = 52068713 is a prime.

It is a super-2 number, since 2×52070761² = 5422728302238242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52070741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366625 + ... + 366766.

It is an arithmetic number, because the mean of its divisors is an integer number (13201056).

Almost surely, 2^52070761 is an apocalyptic number.

It is an amenable number.

52070761 is a deficient number, since it is larger than the sum of its proper divisors (733463).

52070761 is an equidigital number, since it uses as much as digits as its factorization.

52070761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733462.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 52070761 is about 7216.0072754952. The cubic root of 52070761 is about 373.4203442140.

Adding to 52070761 its reverse (16707025), we get a palindrome (68777786).

The spelling of 52070761 in words is "fifty-two million, seventy thousand, seven hundred sixty-one".