47761253 has 4 divisors (see below), whose sum is σ = 47896908. Its totient is φ = 47625600.

The previous prime is 47761243. The next prime is 47761277. The reversal of 47761253 is 35216774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35216774 = 2 ⋅17608387.

It can be written as a sum of positive squares in 2 ways, for example, as 25877569 + 21883684 = 5087^2 + 4678^2 .

It is a cyclic number.

It is not a de Polignac number, because 47761253 - 2⁴ = 47761237 is a prime.

It is a super-3 number, since 3×47761253³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47761213) 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, 67298 + ... + 68003.

It is an arithmetic number, because the mean of its divisors is an integer number (11974227).

Almost surely, 2^47761253 is an apocalyptic number.

It is an amenable number.

47761253 is a deficient number, since it is larger than the sum of its proper divisors (135655).

47761253 is a wasteful number, since it uses less digits than its factorization.

47761253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135654.

The product of its digits is 35280, while the sum is 35.

The square root of 47761253 is about 6910.9516710798. The cubic root of 47761253 is about 362.8205722291.

The spelling of 47761253 in words is "forty-seven million, seven hundred sixty-one thousand, two hundred fifty-three".