631752093 has 24 divisors (see below), whose sum is σ = 1055466048. Its totient is φ = 356648832.

The previous prime is 631752091. The next prime is 631752101. The reversal of 631752093 is 390257136.

It is not a de Polignac number, because 631752093 - 2¹ = 631752091 is a prime.

It is a super-2 number, since 2×631752093² = 798221414019761298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631752091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55180 + ... + 65637.

It is an arithmetic number, because the mean of its divisors is an integer number (43977752).

Almost surely, 2^631752093 is an apocalyptic number.

631752093 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

631752093 is a deficient number, since it is larger than the sum of its proper divisors (423713955).

631752093 is a wasteful number, since it uses less digits than its factorization.

631752093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120913 (or 120910 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 631752093 is about 25134.6790908498. The cubic root of 631752093 is about 858.0558629903.

The spelling of 631752093 in words is "six hundred thirty-one million, seven hundred fifty-two thousand, ninety-three".