49001287 has 2 divisors, whose sum is σ = 49001288. Its totient is φ = 49001286.

The previous prime is 49001279. The next prime is 49001317. The reversal of 49001287 is 78210094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49001287 - 2³ = 49001279 is a prime.

It is a super-2 number, since 2×49001287² = 4802252255312738, which contains 22 as substring.

49001287 is a modest number, since divided by 1287 gives 49 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49001237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24500643 + 24500644.

It is an arithmetic number, because the mean of its divisors is an integer number (24500644).

Almost surely, 2^49001287 is an apocalyptic number.

49001287 is a deficient number, since it is larger than the sum of its proper divisors (1).

49001287 is an equidigital number, since it uses as much as digits as its factorization.

49001287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 49001287 is about 7000.0919279678. The cubic root of 49001287 is about 365.9337747337.

The spelling of 49001287 in words is "forty-nine million, one thousand, two hundred eighty-seven".