61250503 has 4 divisors (see below), whose sum is σ = 62905960. Its totient is φ = 59595048.

The previous prime is 61250461. The next prime is 61250521. The reversal of 61250503 is 30505216.

It is a happy number.

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 61250503 - 2²¹ = 59153351 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 (61250543) 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, 827673 + ... + 827746.

It is an arithmetic number, because the mean of its divisors is an integer number (15726490).

Almost surely, 2^61250503 is an apocalyptic number.

61250503 is a deficient number, since it is larger than the sum of its proper divisors (1655457).

61250503 is a wasteful number, since it uses less digits than its factorization.

61250503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655456.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 61250503 is about 7826.2700566745. The cubic root of 61250503 is about 394.1878372050.

Adding to 61250503 its reverse (30505216), we get a palindrome (91755719).

It can be divided in two parts, 612 and 50503, that added together give a palindrome (51115).

The spelling of 61250503 in words is "sixty-one million, two hundred fifty thousand, five hundred three".