61627501 has 8 divisors (see below), whose sum is σ = 66540824. Its totient is φ = 56738880.

The previous prime is 61627493. The next prime is 61627513. The reversal of 61627501 is 10572616.

It can be written as a sum of positive squares in 4 ways, for example, as 1565001 + 60062500 = 1251^2 + 7750^2 .

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 61627501 - 2³ = 61627493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61627501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61627201) 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, 810 + ... + 11131.

It is an arithmetic number, because the mean of its divisors is an integer number (8317603).

Almost surely, 2^61627501 is an apocalyptic number.

It is an amenable number.

61627501 is a deficient number, since it is larger than the sum of its proper divisors (4913323).

61627501 is a wasteful number, since it uses less digits than its factorization.

61627501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12351.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 61627501 is about 7850.3185285694. The cubic root of 61627501 is about 394.9949280981.

It can be divided in two parts, 61627 and 501, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 61627501 in words is "sixty-one million, six hundred twenty-seven thousand, five hundred one".