61450451 has 8 divisors (see below), whose sum is σ = 63978624. Its totient is φ = 58968000.

The previous prime is 61450409. The next prime is 61450523. The reversal of 61450451 is 15405416.

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 61450451 - 2¹⁴ = 61434067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61450451.

It is not an unprimeable number, because it can be changed into a prime (61450651) 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, 8675 + ... + 14076.

It is an arithmetic number, because the mean of its divisors is an integer number (7997328).

Almost surely, 2^61450451 is an apocalyptic number.

61450451 is a deficient number, since it is larger than the sum of its proper divisors (2528173).

61450451 is a wasteful number, since it uses less digits than its factorization.

61450451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22861.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 61450451 is about 7839.0338052594. The cubic root of 61450451 is about 394.6163042202.

Adding to 61450451 its reverse (15405416), we get a palindrome (76855867).

The spelling of 61450451 in words is "sixty-one million, four hundred fifty thousand, four hundred fifty-one".