61874541 has 6 divisors (see below), whose sum is σ = 89374350. Its totient is φ = 41249688.

The previous prime is 61874537. The next prime is 61874563. The reversal of 61874541 is 14547816.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 61685316 + 189225 = 7854^2 + 435^2 .

It is not a de Polignac number, because 61874541 - 2² = 61874537 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61874496 and 61874505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61874341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3437466 + ... + 3437483.

It is an arithmetic number, because the mean of its divisors is an integer number (14895725).

Almost surely, 2^61874541 is an apocalyptic number.

It is an amenable number.

61874541 is a deficient number, since it is larger than the sum of its proper divisors (27499809).

61874541 is a wasteful number, since it uses less digits than its factorization.

61874541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874955 (or 6874952 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 61874541 is about 7866.0371852668. The cubic root of 61874541 is about 395.5220166503.

The spelling of 61874541 in words is "sixty-one million, eight hundred seventy-four thousand, five hundred forty-one".