46129531 has 12 divisors (see below), whose sum is σ = 53908320. Its totient is φ = 39357360.

The previous prime is 46129529. The next prime is 46129547. The reversal of 46129531 is 13592164.

It is not a de Polignac number, because 46129531 - 2¹ = 46129529 is a prime.

It is a super-2 number, since 2×46129531² = 4255867260559922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46129493 and 46129502.

It is not an unprimeable number, because it can be changed into a prime (46129561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9166 + ... + 13276.

It is an arithmetic number, because the mean of its divisors is an integer number (4492360).

Almost surely, 2^46129531 is an apocalyptic number.

46129531 is a deficient number, since it is larger than the sum of its proper divisors (7778789).

46129531 is a wasteful number, since it uses less digits than its factorization.

46129531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354 (or 4347 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 46129531 is about 6791.8724222412. The cubic root of 46129531 is about 358.6407876964.

It can be divided in two parts, 461 and 29531, that added together give a palindrome (29992).

The spelling of 46129531 in words is "forty-six million, one hundred twenty-nine thousand, five hundred thirty-one".