61652590473031 has 4 divisors (see below), whose sum is σ = 61652606700600. Its totient is φ = 61652574245464.

The previous prime is 61652590473011. The next prime is 61652590473041. The reversal of 61652590473031 is 13037409525616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61652590473031 - 2⁵ = 61652590472999 is a prime.

It is a super-2 number, since 2×61652590473031² (a number of 28 digits) contains 22 as substring.

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 61652590473031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61652590473011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989805 + ... + 11148313.

It is an arithmetic number, because the mean of its divisors is an integer number (15413151675150).

Almost surely, 2^{61652590473031} is an apocalyptic number.

61652590473031 is a deficient number, since it is larger than the sum of its proper divisors (16227569).

61652590473031 is a wasteful number, since it uses less digits than its factorization.

61652590473031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16227568.

The product of its (nonzero) digits is 4082400, while the sum is 52.

Adding to 61652590473031 its reverse (13037409525616), we get a palindrome (74689999998647).

The spelling of 61652590473031 in words is "sixty-one trillion, six hundred fifty-two billion, five hundred ninety million, four hundred seventy-three thousand, thirty-one".