69825641 has 2 divisors, whose sum is σ = 69825642. Its totient is φ = 69825640.

The previous prime is 69825617. The next prime is 69825661. The reversal of 69825641 is 14652896.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39740416 + 30085225 = 6304^2 + 5485^2 .

It is a cyclic number.

It is not a de Polignac number, because 69825641 - 2⁶ = 69825577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69825611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34912820 + 34912821.

It is an arithmetic number, because the mean of its divisors is an integer number (34912821).

Almost surely, 2^69825641 is an apocalyptic number.

It is an amenable number.

69825641 is a deficient number, since it is larger than the sum of its proper divisors (1).

69825641 is an equidigital number, since it uses as much as digits as its factorization.

69825641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 69825641 is about 8356.1738253820. The cubic root of 69825641 is about 411.7860630111.

The spelling of 69825641 in words is "sixty-nine million, eight hundred twenty-five thousand, six hundred forty-one".