29750381 has 2 divisors, whose sum is σ = 29750382. Its totient is φ = 29750380.

The previous prime is 29750353. The next prime is 29750407. The reversal of 29750381 is 18305792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17147881 + 12602500 = 4141^2 + 3550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29750381 is a prime.

It is a super-2 number, since 2×29750381² = 1770170339290322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29750311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14875190 + 14875191.

It is an arithmetic number, because the mean of its divisors is an integer number (14875191).

Almost surely, 2^29750381 is an apocalyptic number.

It is an amenable number.

29750381 is a deficient number, since it is larger than the sum of its proper divisors (1).

29750381 is an equidigital number, since it uses as much as digits as its factorization.

29750381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 29750381 is about 5454.3909834188. The cubic root of 29750381 is about 309.8590444854.

The spelling of 29750381 in words is "twenty-nine million, seven hundred fifty thousand, three hundred eighty-one".