61090501 has 8 divisors (see below), whose sum is σ = 63290880. Its totient is φ = 58896432.

The previous prime is 61090481. The next prime is 61090511. The reversal of 61090501 is 10509016.

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 61090501 - 2¹¹ = 61088453 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61090511) 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, 27436 + ... + 29578.

It is an arithmetic number, because the mean of its divisors is an integer number (7911360).

Almost surely, 2^61090501 is an apocalyptic number.

It is an amenable number.

61090501 is a deficient number, since it is larger than the sum of its proper divisors (2200379).

61090501 is a wasteful number, since it uses less digits than its factorization.

61090501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 61090501 is about 7816.0412614059. The cubic root of 61090501 is about 393.8442980332.

Adding to 61090501 its reverse (10509016), we get a palindrome (71599517).

The spelling of 61090501 in words is "sixty-one million, ninety thousand, five hundred one".