90825951 has 8 divisors (see below), whose sum is σ = 128224944. Its totient is φ = 56988800.

The previous prime is 90825929. The next prime is 90825953. The reversal of 90825951 is 15952809.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90825951 - 2⁶ = 90825887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90825953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890400 + ... + 890501.

It is an arithmetic number, because the mean of its divisors is an integer number (16028118).

Almost surely, 2^90825951 is an apocalyptic number.

90825951 is a deficient number, since it is larger than the sum of its proper divisors (37398993).

90825951 is a wasteful number, since it uses less digits than its factorization.

90825951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780921.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 90825951 is about 9530.2650015621. The cubic root of 90825951 is about 449.5071987952.

The spelling of 90825951 in words is "ninety million, eight hundred twenty-five thousand, nine hundred fifty-one".