61263073 has 4 divisors (see below), whose sum is σ = 61489408. Its totient is φ = 61036740.

The previous prime is 61263031. The next prime is 61263079. The reversal of 61263073 is 37036216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61263073 - 2¹³ = 61254881 is a prime.

It is a super-2 number, since 2×61263073² = 7506328226806658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61263079) 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, 112761 + ... + 113302.

It is an arithmetic number, because the mean of its divisors is an integer number (15372352).

Almost surely, 2^61263073 is an apocalyptic number.

It is an amenable number.

61263073 is a deficient number, since it is larger than the sum of its proper divisors (226335).

61263073 is a wasteful number, since it uses less digits than its factorization.

61263073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226334.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 61263073 is about 7827.0730800217. The cubic root of 61263073 is about 394.2148008051.

Adding to 61263073 its reverse (37036216), we get a palindrome (98299289).

The spelling of 61263073 in words is "sixty-one million, two hundred sixty-three thousand, seventy-three".