49611251 has 2 divisors, whose sum is σ = 49611252. Its totient is φ = 49611250.

The previous prime is 49611217. The next prime is 49611269. The reversal of 49611251 is 15211694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49611251 - 2¹⁰ = 49610227 is a prime.

It is a super-2 number, since 2×49611251² = 4922552451570002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49631251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24805625 + 24805626.

It is an arithmetic number, because the mean of its divisors is an integer number (24805626).

Almost surely, 2^49611251 is an apocalyptic number.

49611251 is a deficient number, since it is larger than the sum of its proper divisors (1).

49611251 is an equidigital number, since it uses as much as digits as its factorization.

49611251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 29.

The square root of 49611251 is about 7043.5254666963. The cubic root of 49611251 is about 367.4458889587.

The spelling of 49611251 in words is "forty-nine million, six hundred eleven thousand, two hundred fifty-one".