632026861 has 2 divisors, whose sum is σ = 632026862. Its totient is φ = 632026860.

The previous prime is 632026763. The next prime is 632026883. The reversal of 632026861 is 168620236.

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., 628454761 + 3572100 = 25069^2 + 1890^2 .

It is a cyclic number.

It is not a de Polignac number, because 632026861 - 2²¹ = 629929709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632026891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316013430 + 316013431.

It is an arithmetic number, because the mean of its divisors is an integer number (316013431).

Almost surely, 2^632026861 is an apocalyptic number.

It is an amenable number.

632026861 is a deficient number, since it is larger than the sum of its proper divisors (1).

632026861 is an equidigital number, since it uses as much as digits as its factorization.

632026861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 632026861 is about 25140.1444108820. The cubic root of 632026861 is about 858.1802430668.

The spelling of 632026861 in words is "six hundred thirty-two million, twenty-six thousand, eight hundred sixty-one".