61474571 has 2 divisors, whose sum is σ = 61474572. Its totient is φ = 61474570.

The previous prime is 61474549. The next prime is 61474573. The reversal of 61474571 is 17547416.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61474571 is a prime.

Together with 61474573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61474573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30737285 + 30737286.

It is an arithmetic number, because the mean of its divisors is an integer number (30737286).

Almost surely, 2^61474571 is an apocalyptic number.

61474571 is a deficient number, since it is larger than the sum of its proper divisors (1).

61474571 is an equidigital number, since it uses as much as digits as its factorization.

61474571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 35.

The square root of 61474571 is about 7840.5721092277. The cubic root of 61474571 is about 394.6679279271.

The spelling of 61474571 in words is "sixty-one million, four hundred seventy-four thousand, five hundred seventy-one".