731025469 has 2 divisors, whose sum is σ = 731025470. Its totient is φ = 731025468.

The previous prime is 731025467. The next prime is 731025487. The reversal of 731025469 is 964520137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 718508025 + 12517444 = 26805^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 731025469 - 2¹ = 731025467 is a prime.

It is a super-2 number, since 2×731025469² = 1068796472653339922, which contains 22 as substring.

Together with 731025467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (731025461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365512734 + 365512735.

It is an arithmetic number, because the mean of its divisors is an integer number (365512735).

Almost surely, 2^731025469 is an apocalyptic number.

It is an amenable number.

731025469 is a deficient number, since it is larger than the sum of its proper divisors (1).

731025469 is an equidigital number, since it uses as much as digits as its factorization.

731025469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 731025469 is about 27037.4826675858. The cubic root of 731025469 is about 900.8327555644.

The spelling of 731025469 in words is "seven hundred thirty-one million, twenty-five thousand, four hundred sixty-nine".