48136021 has 2 divisors, whose sum is σ = 48136022. Its totient is φ = 48136020.

The previous prime is 48135991. The next prime is 48136073. The reversal of 48136021 is 12063184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35533521 + 12602500 = 5961^2 + 3550^2 .

It is a cyclic number.

It is not a de Polignac number, because 48136021 - 2¹⁷ = 48004949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48136321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24068010 + 24068011.

It is an arithmetic number, because the mean of its divisors is an integer number (24068011).

Almost surely, 2^48136021 is an apocalyptic number.

It is an amenable number.

48136021 is a deficient number, since it is larger than the sum of its proper divisors (1).

48136021 is an equidigital number, since it uses as much as digits as its factorization.

48136021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 48136021 is about 6938.0127558257. The cubic root of 48136021 is about 363.7670816996.

The spelling of 48136021 in words is "forty-eight million, one hundred thirty-six thousand, twenty-one".