61253502 has 32 divisors (see below), whose sum is σ = 126669312. Its totient is φ = 19735104.

The previous prime is 61253501. The next prime is 61253503. The reversal of 61253502 is 20535216.

It is an interprime number because it is at equal distance from previous prime (61253501) and next prime (61253503).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61253501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22098 + ... + 24714.

It is an arithmetic number, because the mean of its divisors is an integer number (3958416).

Almost surely, 2^61253502 is an apocalyptic number.

61253502 is an abundant number, since it is smaller than the sum of its proper divisors (65415810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61253502 is a wasteful number, since it uses less digits than its factorization.

61253502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 61253502 is about 7826.4616526244. The cubic root of 61253502 is about 394.1942706218.

Adding to 61253502 its reverse (20535216), we get a palindrome (81788718).

The spelling of 61253502 in words is "sixty-one million, two hundred fifty-three thousand, five hundred two".