49103521 has 2 divisors, whose sum is σ = 49103522. Its totient is φ = 49103520.

The previous prime is 49103491. The next prime is 49103533. The reversal of 49103521 is 12530194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26635921 + 22467600 = 5161^2 + 4740^2 .

It is a cyclic number.

It is not a de Polignac number, because 49103521 - 2⁵ = 49103489 is a prime.

It is a super-2 number, since 2×49103521² = 4822311549194882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49103591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24551760 + 24551761.

It is an arithmetic number, because the mean of its divisors is an integer number (24551761).

Almost surely, 2^49103521 is an apocalyptic number.

It is an amenable number.

49103521 is a deficient number, since it is larger than the sum of its proper divisors (1).

49103521 is an equidigital number, since it uses as much as digits as its factorization.

49103521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 49103521 is about 7007.3904557974. The cubic root of 49103521 is about 366.1880870079.

The spelling of 49103521 in words is "forty-nine million, one hundred three thousand, five hundred twenty-one".