90929351 has 2 divisors, whose sum is σ = 90929352. Its totient is φ = 90929350.

The previous prime is 90929347. The next prime is 90929353. The reversal of 90929351 is 15392909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90929351 - 2² = 90929347 is a prime.

Together with 90929353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90929353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45464675 + 45464676.

It is an arithmetic number, because the mean of its divisors is an integer number (45464676).

Almost surely, 2^90929351 is an apocalyptic number.

90929351 is a deficient number, since it is larger than the sum of its proper divisors (1).

90929351 is an equidigital number, since it uses as much as digits as its factorization.

90929351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 90929351 is about 9535.6882813985. The cubic root of 90929351 is about 449.6777132686.

The spelling of 90929351 in words is "ninety million, nine hundred twenty-nine thousand, three hundred fifty-one".