61452061 has 8 divisors (see below), whose sum is σ = 70567200. Its totient is φ = 52925040.

The previous prime is 61452037. The next prime is 61452101. The reversal of 61452061 is 16025416.

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 61452061 - 2⁷ = 61451933 is a prime.

It is a super-2 number, since 2×61452061² = 7552711602295442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61452011) 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, 146806 + ... + 147223.

It is an arithmetic number, because the mean of its divisors is an integer number (8820900).

Almost surely, 2^61452061 is an apocalyptic number.

It is an amenable number.

61452061 is a deficient number, since it is larger than the sum of its proper divisors (9115139).

61452061 is a wasteful number, since it uses less digits than its factorization.

61452061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294059.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 61452061 is about 7839.1364958138. The cubic root of 61452061 is about 394.6197505020.

Adding to 61452061 its reverse (16025416), we get a palindrome (77477477).

The spelling of 61452061 in words is "sixty-one million, four hundred fifty-two thousand, sixty-one".