61266479 has 2 divisors, whose sum is σ = 61266480. Its totient is φ = 61266478.

The previous prime is 61266433. The next prime is 61266481. The reversal of 61266479 is 97466216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61266479 - 2¹⁶ = 61200943 is a prime.

Together with 61266481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61266979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30633239 + 30633240.

It is an arithmetic number, because the mean of its divisors is an integer number (30633240).

Almost surely, 2^61266479 is an apocalyptic number.

61266479 is a deficient number, since it is larger than the sum of its proper divisors (1).

61266479 is an equidigital number, since it uses as much as digits as its factorization.

61266479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 61266479 is about 7827.2906551373. The cubic root of 61266479 is about 394.2221062974. Note that the first 3 decimals are identical.

The spelling of 61266479 in words is "sixty-one million, two hundred sixty-six thousand, four hundred seventy-nine".