49074521 has 2 divisors, whose sum is σ = 49074522. Its totient is φ = 49074520.

The previous prime is 49074463. The next prime is 49074523. The reversal of 49074521 is 12547094.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34058896 + 15015625 = 5836^2 + 3875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49074521 is a prime.

It is a super-2 number, since 2×49074521² = 4816617222758882, which contains 22 as substring.

Together with 49074523, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (49074523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24537260 + 24537261.

It is an arithmetic number, because the mean of its divisors is an integer number (24537261).

Almost surely, 2^49074521 is an apocalyptic number.

It is an amenable number.

49074521 is a deficient number, since it is larger than the sum of its proper divisors (1).

49074521 is an equidigital number, since it uses as much as digits as its factorization.

49074521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 49074521 is about 7005.3209062826. The cubic root of 49074521 is about 366.1159839247.

The spelling of 49074521 in words is "forty-nine million, seventy-four thousand, five hundred twenty-one".