61384534 has 8 divisors (see below), whose sum is σ = 92114568. Its totient is φ = 30679680.

The previous prime is 61384523. The next prime is 61384553. The reversal of 61384534 is 43548316.

It is a happy number.

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

It is a super-2 number, since 2×61384534² = 7536122028794312, 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 61384534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1974 + ... + 11254.

It is an arithmetic number, because the mean of its divisors is an integer number (11514321).

Almost surely, 2^61384534 is an apocalyptic number.

61384534 is a deficient number, since it is larger than the sum of its proper divisors (30730034).

61384534 is a wasteful number, since it uses less digits than its factorization.

61384534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590.

The product of its digits is 34560, while the sum is 34.

The square root of 61384534 is about 7834.8282686987. The cubic root of 61384534 is about 394.4751540257.

The spelling of 61384534 in words is "sixty-one million, three hundred eighty-four thousand, five hundred thirty-four".