29901397 has 2 divisors, whose sum is σ = 29901398. Its totient is φ = 29901396.

The previous prime is 29901371. The next prime is 29901451. The reversal of 29901397 is 79310992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28366276 + 1535121 = 5326^2 + 1239^2 .

It is a cyclic number.

It is not a de Polignac number, because 29901397 - 2¹¹ = 29899349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29961397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14950698 + 14950699.

It is an arithmetic number, because the mean of its divisors is an integer number (14950699).

Almost surely, 2^29901397 is an apocalyptic number.

It is an amenable number.

29901397 is a deficient number, since it is larger than the sum of its proper divisors (1).

29901397 is an equidigital number, since it uses as much as digits as its factorization.

29901397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 29901397 is about 5468.2169854533. The cubic root of 29901397 is about 310.3824520062.

The spelling of 29901397 in words is "twenty-nine million, nine hundred one thousand, three hundred ninety-seven".