629248405 has 4 divisors (see below), whose sum is σ = 755098092. Its totient is φ = 503398720.

The previous prime is 629248397. The next prime is 629248427. The reversal of 629248405 is 504842926.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 237129201 + 392119204 = 15399^2 + 19802^2 .

It is not a de Polignac number, because 629248405 - 2³ = 629248397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62924836 + ... + 62924845.

It is an arithmetic number, because the mean of its divisors is an integer number (188774523).

Almost surely, 2^629248405 is an apocalyptic number.

It is an amenable number.

629248405 is a deficient number, since it is larger than the sum of its proper divisors (125849687).

629248405 is a wasteful number, since it uses less digits than its factorization.

629248405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125849686.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 629248405 is about 25084.8241971117. The cubic root of 629248405 is about 856.9208458278.

The spelling of 629248405 in words is "six hundred twenty-nine million, two hundred forty-eight thousand, four hundred five".