47629261 has 2 divisors, whose sum is σ = 47629262. Its totient is φ = 47629260.

The previous prime is 47629217. The next prime is 47629303. The reversal of 47629261 is 16292674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41409225 + 6220036 = 6435^2 + 2494^2 .

It is a cyclic number.

It is not a de Polignac number, because 47629261 - 2¹¹ = 47627213 is a prime.

It is a super-2 number, since 2×47629261² = 4537093006812242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47629261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47629061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23814630 + 23814631.

It is an arithmetic number, because the mean of its divisors is an integer number (23814631).

Almost surely, 2^47629261 is an apocalyptic number.

It is an amenable number.

47629261 is a deficient number, since it is larger than the sum of its proper divisors (1).

47629261 is an equidigital number, since it uses as much as digits as its factorization.

47629261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 47629261 is about 6901.3955835034. The cubic root of 47629261 is about 362.4860360852.

The spelling of 47629261 in words is "forty-seven million, six hundred twenty-nine thousand, two hundred sixty-one".