61049471 has 8 divisors (see below), whose sum is σ = 70915104. Its totient is φ = 51469920.

The previous prime is 61049453. The next prime is 61049473. The reversal of 61049471 is 17494016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61049471 - 2⁶ = 61049407 is a prime.

It is a super-3 number, since 3×61049471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61049473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71060 + ... + 71913.

It is an arithmetic number, because the mean of its divisors is an integer number (8864388).

Almost surely, 2^61049471 is an apocalyptic number.

61049471 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

61049471 is a deficient number, since it is larger than the sum of its proper divisors (9865633).

61049471 is a wasteful number, since it uses less digits than its factorization.

61049471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143041.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 61049471 is about 7813.4160902898. The cubic root of 61049471 is about 393.7561061957.

The spelling of 61049471 in words is "sixty-one million, forty-nine thousand, four hundred seventy-one".