49258921 has 2 divisors, whose sum is σ = 49258922. Its totient is φ = 49258920.

The previous prime is 49258883. The next prime is 49258931. The reversal of 49258921 is 12985294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46090521 + 3168400 = 6789^2 + 1780^2 .

It is a cyclic number.

It is not a de Polignac number, because 49258921 - 2¹⁵ = 49226153 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (49258931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24629460 + 24629461.

It is an arithmetic number, because the mean of its divisors is an integer number (24629461).

Almost surely, 2^49258921 is an apocalyptic number.

It is an amenable number.

49258921 is a deficient number, since it is larger than the sum of its proper divisors (1).

49258921 is an equidigital number, since it uses as much as digits as its factorization.

49258921 is an odious number, because the sum of its binary digits is odd.

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

The square root of 49258921 is about 7018.4699899622. The cubic root of 49258921 is about 366.5739772139.

The spelling of 49258921 in words is "forty-nine million, two hundred fifty-eight thousand, nine hundred twenty-one".