46253721 has 4 divisors (see below), whose sum is σ = 61671632. Its totient is φ = 30835812.

The previous prime is 46253717. The next prime is 46253729. The reversal of 46253721 is 12735264.

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 not a de Polignac number, because 46253721 - 2² = 46253717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46253729) 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, 7708951 + ... + 7708956.

It is an arithmetic number, because the mean of its divisors is an integer number (15417908).

Almost surely, 2^46253721 is an apocalyptic number.

It is an amenable number.

46253721 is a deficient number, since it is larger than the sum of its proper divisors (15417911).

46253721 is a wasteful number, since it uses less digits than its factorization.

46253721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15417910.

The product of its digits is 10080, while the sum is 30.

The square root of 46253721 is about 6801.0088222263. The cubic root of 46253721 is about 358.9623437457.

Adding to 46253721 its reverse (12735264), we get a palindrome (58988985).

The spelling of 46253721 in words is "forty-six million, two hundred fifty-three thousand, seven hundred twenty-one".