61602461 has 4 divisors (see below), whose sum is σ = 62052252. Its totient is φ = 61152672.

The previous prime is 61602449. The next prime is 61602473. The reversal of 61602461 is 16420616.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (61602449) and next prime (61602473).

It can be written as a sum of positive squares in 2 ways, for example, as 23088025 + 38514436 = 4805^2 + 6206^2 .

It is a cyclic number.

It is not a de Polignac number, because 61602461 - 2⁶ = 61602397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61602461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61602421) 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, 224690 + ... + 224963.

It is an arithmetic number, because the mean of its divisors is an integer number (15513063).

Almost surely, 2^61602461 is an apocalyptic number.

It is an amenable number.

61602461 is a deficient number, since it is larger than the sum of its proper divisors (449791).

61602461 is a wasteful number, since it uses less digits than its factorization.

61602461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449790.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 61602461 is about 7848.7235267908. The cubic root of 61602461 is about 394.9414237767.

The spelling of 61602461 in words is "sixty-one million, six hundred two thousand, four hundred sixty-one".