752447131 has 2 divisors, whose sum is σ = 752447132. Its totient is φ = 752447130.

The previous prime is 752447089. The next prime is 752447173. The reversal of 752447131 is 131744257.

It is a balanced prime because it is at equal distance from previous prime (752447089) and next prime (752447173).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-752447131 is a prime.

It is a super-2 number, since 2×752447131² = 1132353369900262322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (752447191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 376223565 + 376223566.

It is an arithmetic number, because the mean of its divisors is an integer number (376223566).

Almost surely, 2^752447131 is an apocalyptic number.

752447131 is a deficient number, since it is larger than the sum of its proper divisors (1).

752447131 is an equidigital number, since it uses as much as digits as its factorization.

752447131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 34.

The square root of 752447131 is about 27430.7697850425. The cubic root of 752447131 is about 909.5473863170.

The spelling of 752447131 in words is "seven hundred fifty-two million, four hundred forty-seven thousand, one hundred thirty-one".