49259851 has 2 divisors, whose sum is σ = 49259852. Its totient is φ = 49259850.

The previous prime is 49259831. The next prime is 49259869. The reversal of 49259851 is 15895294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49259851 - 2¹³ = 49251659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49259798 and 49259807.

It is not a weakly prime, because it can be changed into another prime (49259831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24629925 + 24629926.

It is an arithmetic number, because the mean of its divisors is an integer number (24629926).

Almost surely, 2^49259851 is an apocalyptic number.

49259851 is a deficient number, since it is larger than the sum of its proper divisors (1).

49259851 is an equidigital number, since it uses as much as digits as its factorization.

49259851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 43.

The square root of 49259851 is about 7018.5362434057. The cubic root of 49259851 is about 366.5762841507.

It can be divided in two parts, 4925 and 9851, that multiplied together give a triangular number (48516175 = T₉₈₅₀).

The spelling of 49259851 in words is "forty-nine million, two hundred fifty-nine thousand, eight hundred fifty-one".