90448951 has 2 divisors, whose sum is σ = 90448952. Its totient is φ = 90448950.

The previous prime is 90448933. The next prime is 90448961. The reversal of 90448951 is 15984409.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90448951 - 2¹¹ = 90446903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90448921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45224475 + 45224476.

It is an arithmetic number, because the mean of its divisors is an integer number (45224476).

Almost surely, 2^90448951 is an apocalyptic number.

90448951 is a deficient number, since it is larger than the sum of its proper divisors (1).

90448951 is an equidigital number, since it uses as much as digits as its factorization.

90448951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 90448951 is about 9510.4653408758. The cubic root of 90448951 is about 448.8843987227.

The spelling of 90448951 in words is "ninety million, four hundred forty-eight thousand, nine hundred fifty-one".