90258937 has 2 divisors, whose sum is σ = 90258938. Its totient is φ = 90258936.

The previous prime is 90258859. The next prime is 90258977. The reversal of 90258937 is 73985209.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86322681 + 3936256 = 9291^2 + 1984^2 .

It is a cyclic number.

It is not a de Polignac number, because 90258937 - 2²³ = 81870329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90258893 and 90258902.

It is not a weakly prime, because it can be changed into another prime (90258977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45129468 + 45129469.

It is an arithmetic number, because the mean of its divisors is an integer number (45129469).

Almost surely, 2^90258937 is an apocalyptic number.

It is an amenable number.

90258937 is a deficient number, since it is larger than the sum of its proper divisors (1).

90258937 is an equidigital number, since it uses as much as digits as its factorization.

90258937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 90258937 is about 9500.4703567771. The cubic root of 90258937 is about 448.5698414783.

The spelling of 90258937 in words is "ninety million, two hundred fifty-eight thousand, nine hundred thirty-seven".