49999925 has 12 divisors (see below), whose sum is σ = 65263680. Its totient is φ = 37894320.

The previous prime is 49999921. The next prime is 49999991. The reversal of 49999925 is 52999994.

It is not a de Polignac number, because 49999925 - 2² = 49999921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999921) 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, 52157 + ... + 53106.

It is an arithmetic number, because the mean of its divisors is an integer number (5438640).

Almost surely, 2^49999925 is an apocalyptic number.

It is an amenable number.

49999925 is a deficient number, since it is larger than the sum of its proper divisors (15263755).

49999925 is a wasteful number, since it uses less digits than its factorization.

49999925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105292 (or 105287 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 56.

The square root of 49999925 is about 7071.0625085626. The cubic root of 49999925 is about 368.4029656624.

The spelling of 49999925 in words is "forty-nine million, nine hundred ninety-nine thousand, nine hundred twenty-five".