61201535 has 8 divisors (see below), whose sum is σ = 73716480. Its totient is φ = 48778144.

The previous prime is 61201531. The next prime is 61201541. The reversal of 61201535 is 53510216.

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 61201535 - 2² = 61201531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61201535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61201531) 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, 21407 + ... + 24096.

It is an arithmetic number, because the mean of its divisors is an integer number (9214560).

Almost surely, 2^61201535 is an apocalyptic number.

61201535 is a deficient number, since it is larger than the sum of its proper divisors (12514945).

61201535 is a wasteful number, since it uses less digits than its factorization.

61201535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45777.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 61201535 is about 7823.1409932328. The cubic root of 61201535 is about 394.0827619523.

The spelling of 61201535 in words is "sixty-one million, two hundred one thousand, five hundred thirty-five".