49997025 has 36 divisors (see below), whose sum is σ = 96444348. Its totient is φ = 24612480.

The previous prime is 49997023. The next prime is 49997029. The reversal of 49997025 is 52079994.

It can be written as a sum of positive squares in 6 ways, for example, as 4717584 + 45279441 = 2172^2 + 6729^2 .

It is not a de Polignac number, because 49997025 - 2¹ = 49997023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (49997023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5622 + ... + 11471.

Almost surely, 2^49997025 is an apocalyptic number.

49997025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49997025 is a deficient number, since it is larger than the sum of its proper divisors (46447323).

49997025 is a wasteful number, since it uses less digits than its factorization.

49997025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17122 (or 17114 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 49997025 is about 7070.8574444688. The cubic root of 49997025 is about 368.3958430566.

The spelling of 49997025 in words is "forty-nine million, nine hundred ninety-seven thousand, twenty-five".