61252429 has 4 divisors (see below), whose sum is σ = 70002784. Its totient is φ = 52502076.

The previous prime is 61252403. The next prime is 61252439. The reversal of 61252429 is 92425216.

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 61252429 - 2⁹ = 61251917 is a prime.

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 61252429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61252439) 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, 4375167 + ... + 4375180.

It is an arithmetic number, because the mean of its divisors is an integer number (17500696).

Almost surely, 2^61252429 is an apocalyptic number.

It is an amenable number.

61252429 is a deficient number, since it is larger than the sum of its proper divisors (8750355).

61252429 is an equidigital number, since it uses as much as digits as its factorization.

61252429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8750354.

The product of its digits is 8640, while the sum is 31.

The square root of 61252429 is about 7826.3931028284. The cubic root of 61252429 is about 394.1919688599.

The spelling of 61252429 in words is "sixty-one million, two hundred fifty-two thousand, four hundred twenty-nine".