61469031 has 32 divisors (see below), whose sum is σ = 90961920. Its totient is φ = 36691200.

The previous prime is 61469011. The next prime is 61469071. The reversal of 61469031 is 13096416.

It is not a de Polignac number, because 61469031 - 2¹⁰ = 61468007 is a prime.

It is a super-2 number, since 2×61469031² = 7556883544157922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61469031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61469011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218611 + ... + 218891.

It is an arithmetic number, because the mean of its divisors is an integer number (2842560).

Almost surely, 2^61469031 is an apocalyptic number.

61469031 is a deficient number, since it is larger than the sum of its proper divisors (29492889).

61469031 is a wasteful number, since it uses less digits than its factorization.

61469031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 61469031 is about 7840.2188107221. The cubic root of 61469031 is about 394.6560719354.

The spelling of 61469031 in words is "sixty-one million, four hundred sixty-nine thousand, thirty-one".