29020631 has 2 divisors, whose sum is σ = 29020632. Its totient is φ = 29020630.

The previous prime is 29020613. The next prime is 29020669. The reversal of 29020631 is 13602092.

Together with previous prime (29020613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29020631 - 2¹⁴ = 29004247 is a prime.

It is a super-2 number, since 2×29020631² = 1684394047276322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 29020597 and 29020606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29020331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14510315 + 14510316.

It is an arithmetic number, because the mean of its divisors is an integer number (14510316).

Almost surely, 2^29020631 is an apocalyptic number.

29020631 is a deficient number, since it is larger than the sum of its proper divisors (1).

29020631 is an equidigital number, since it uses as much as digits as its factorization.

29020631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 29020631 is about 5387.0800068312. The cubic root of 29020631 is about 307.3045215840.

The spelling of 29020631 in words is "twenty-nine million, twenty thousand, six hundred thirty-one".