49000025 has 12 divisors (see below), whose sum is σ = 62403372. Its totient is φ = 38139840.

The previous prime is 48999989. The next prime is 49000027. The reversal of 49000025 is 52000094.

It can be written as a sum of positive squares in 6 ways, for example, as 4631104 + 44368921 = 2152^2 + 6661^2 .

It is not a de Polignac number, because 49000025 - 2¹⁸ = 48737881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 48999970 and 49000006.

It is not an unprimeable number, because it can be changed into a prime (49000027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25562 + ... + 27411.

It is an arithmetic number, because the mean of its divisors is an integer number (5200281).

Almost surely, 2^49000025 is an apocalyptic number.

It is an amenable number.

49000025 is a deficient number, since it is larger than the sum of its proper divisors (13403347).

49000025 is a wasteful number, since it uses less digits than its factorization.

49000025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53020 (or 53015 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 49000025 is about 7000.0017857141. The cubic root of 49000025 is about 365.9306332354.

It can be divided in two parts, 490000 and 25, that multiplied together give a square (12250000 = 3500²).

The spelling of 49000025 in words is "forty-nine million, twenty-five", and thus it is an aban number and an uban number.