61874401 has 4 divisors (see below), whose sum is σ = 62017732. Its totient is φ = 61731072.

The previous prime is 61874389. The next prime is 61874411. The reversal of 61874401 is 10447816.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35093776 + 26780625 = 5924^2 + 5175^2 .

It is a cyclic number.

It is not a de Polignac number, because 61874401 - 2¹¹ = 61872353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61874411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71016 + ... + 71881.

It is an arithmetic number, because the mean of its divisors is an integer number (15504433).

Almost surely, 2^61874401 is an apocalyptic number.

It is an amenable number.

61874401 is a deficient number, since it is larger than the sum of its proper divisors (143331).

61874401 is a wasteful number, since it uses less digits than its factorization.

61874401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143330.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 61874401 is about 7866.0282862446. The cubic root of 61874401 is about 395.5217183417.

The spelling of 61874401 in words is "sixty-one million, eight hundred seventy-four thousand, four hundred one".